diff --git a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.css.ts b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.css.ts
index 9484f1461a..497234b8eb 100644
--- a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.css.ts
+++ b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.css.ts
@@ -6,13 +6,11 @@ export const card = style({
   borderRadius: 8,
   background: cssVarV2.layer.background.primary,
   border: `1px solid ${cssVarV2.layer.insideBorder.border}`,
-  display: 'flex',
-  flexDirection: 'column',
-  gap: 4,
 });
 export const divider = style({
   height: 8,
   display: 'flex',
+  margin: '4px 0',
   alignItems: 'center',
   justifyContent: 'center',
   ':before': {
@@ -26,6 +24,7 @@ export const header = style({
   display: 'flex',
   alignItems: 'center',
   gap: 8,
+  padding: '7px 0',
 });
 export const colorPickerTrigger = style({
   width: 24,
@@ -82,3 +81,21 @@ export const name = style({
   overflow: 'hidden',
   whiteSpace: 'nowrap',
 });
+
+export const allDayEventsContainer = style({
+  overflow: 'hidden',
+  display: 'grid',
+  gridTemplateRows: '1fr',
+  transition:
+    'grid-template-rows 0.4s cubic-bezier(.07,.83,.46,1), opacity 0.4s ease',
+  selectors: {
+    '&[data-collapsed="true"]': {
+      gridTemplateRows: '0fr',
+      opacity: 0,
+    },
+  },
+});
+
+export const allDayEventsContent = style({
+  overflow: 'hidden',
+});
diff --git a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.tsx b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.tsx
index e323352c78..ce2c52987e 100644
--- a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.tsx
+++ b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/calendar/subscription-setting.tsx
@@ -1,4 +1,4 @@
-import { Button, Menu } from '@affine/component';
+import { Button, Menu, useConfirmModal } from '@affine/component';
 import {
   type CalendarSubscription,
   IntegrationService,
@@ -7,6 +7,7 @@ import { useI18n } from '@affine/i18n';
 import { useLiveData, useService } from '@toeverything/infra';
 import { useCallback, useMemo, useState } from 'react';
 
+import { IntegrationSettingToggle } from '../setting';
 import * as styles from './subscription-setting.css';
 
 export const SubscriptionSetting = ({
@@ -18,7 +19,7 @@ export const SubscriptionSetting = ({
   const [menuOpen, setMenuOpen] = useState(false);
   const calendar = useService(IntegrationService).calendar;
   const config = useLiveData(subscription.config$);
-  const name = useLiveData(subscription.name$);
+  const name = useLiveData(subscription.name$) || t['Untitled']();
 
   const handleColorChange = useCallback(
     (color: string) => {
@@ -28,9 +29,17 @@ export const SubscriptionSetting = ({
     [calendar, subscription.url]
   );
 
-  const handleUnsubscribe = useCallback(() => {
-    calendar.deleteSubscription(subscription.url);
-  }, [calendar, subscription.url]);
+  const toggleShowEvents = useCallback(() => {
+    calendar.updateSubscription(subscription.url, {
+      showEvents: !config?.showEvents,
+    });
+  }, [calendar, subscription.url, config?.showEvents]);
+
+  const toggleShowAllDayEvents = useCallback(() => {
+    calendar.updateSubscription(subscription.url, {
+      showAllDayEvents: !config?.showAllDayEvents,
+    });
+  }, [calendar, subscription.url, config?.showAllDayEvents]);
 
   if (!config) return null;
 
@@ -52,15 +61,61 @@ export const SubscriptionSetting = ({
             style={{ color: config.color }}
           />
         </Menu>
-        <div className={styles.name}>{name || t['Untitled']()}</div>
-        <Button variant="error" onClick={handleUnsubscribe}>
-          {t['com.affine.integration.calendar.unsubscribe']()}
-        </Button>
+        <div className={styles.name}>{name}</div>
+        <UnsubscribeButton url={subscription.url} name={name} />
+      </div>
+      <div className={styles.divider} />
+      <IntegrationSettingToggle
+        name={t['com.affine.integration.calendar.show-events']()}
+        desc={t['com.affine.integration.calendar.show-events-desc']()}
+        checked={!!config.showEvents}
+        onChange={toggleShowEvents}
+      />
+      <div
+        data-collapsed={!config.showEvents}
+        className={styles.allDayEventsContainer}
+      >
+        <div className={styles.allDayEventsContent}>
+          <div className={styles.divider} />
+          <IntegrationSettingToggle
+            name={t['com.affine.integration.calendar.show-all-day-events']()}
+            checked={!!config.showAllDayEvents}
+            onChange={toggleShowAllDayEvents}
+          />
+        </div>
       </div>
     </div>
   );
 };
 
+const UnsubscribeButton = ({ url, name }: { url: string; name: string }) => {
+  const t = useI18n();
+  const calendar = useService(IntegrationService).calendar;
+  const { openConfirmModal } = useConfirmModal();
+
+  const handleUnsubscribe = useCallback(() => {
+    openConfirmModal({
+      title: t['com.affine.integration.calendar.unsubscribe'](),
+      children: t.t('com.affine.integration.calendar.unsubscribe-content', {
+        name,
+      }),
+      onConfirm: () => {
+        calendar.deleteSubscription(url);
+      },
+      confirmText: t['com.affine.integration.calendar.unsubscribe'](),
+      confirmButtonOptions: {
+        variant: 'error',
+      },
+    });
+  }, [calendar, name, openConfirmModal, t, url]);
+
+  return (
+    <Button variant="error" onClick={handleUnsubscribe}>
+      {t['com.affine.integration.calendar.unsubscribe']()}
+    </Button>
+  );
+};
+
 const ColorPicker = ({
   activeColor,
   onChange,
diff --git a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.css.ts b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.css.ts
index a74949055d..41df039051 100644
--- a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.css.ts
+++ b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.css.ts
@@ -42,6 +42,11 @@ export const settingItem = style({
   alignItems: 'flex-start',
   justifyContent: 'space-between',
   gap: 8,
+  selectors: {
+    '&[data-has-desc="false"]': {
+      padding: '5px 0',
+    },
+  },
 });
 
 export const settingName = style({
@@ -56,6 +61,7 @@ export const settingDesc = style({
   lineHeight: '20px',
   fontWeight: 400,
   color: cssVarV2.text.secondary,
+  marginTop: 2,
 });
 
 export const textRadioGroup = style({
diff --git a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.tsx b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.tsx
index c630b42150..ffdd6c8eb6 100644
--- a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.tsx
+++ b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/integration/setting.tsx
@@ -47,7 +47,11 @@ export const IntegrationSettingItem = ({
   ...props
 }: IntegrationSettingItemProps) => {
   return (
-    <div className={clsx(styles.settingItem, className)} {...props}>
+    <div
+      data-has-desc={!!desc}
+      className={clsx(styles.settingItem, className)}
+      {...props}
+    >
       <div>
         {name && <h6 className={styles.settingName}>{name}</h6>}
         {desc && <p className={styles.settingDesc}>{desc}</p>}
diff --git a/packages/frontend/core/src/modules/integration/entities/calendar-subscription.ts b/packages/frontend/core/src/modules/integration/entities/calendar-subscription.ts
index cca2ca5403..fd99a9d20c 100644
--- a/packages/frontend/core/src/modules/integration/entities/calendar-subscription.ts
+++ b/packages/frontend/core/src/modules/integration/entities/calendar-subscription.ts
@@ -7,6 +7,7 @@ import {
   onComplete,
   onStart,
 } from '@toeverything/infra';
+import dayjs from 'dayjs';
 import ICAL from 'ical.js';
 import { EMPTY, mergeMap, switchMap, throttleTime } from 'rxjs';
 
@@ -14,7 +15,9 @@ import type {
   CalendarStore,
   CalendarSubscriptionConfig,
 } from '../store/calendar';
+import type { CalendarEvent, EventsByDateMap } from '../type';
 import { parseCalendarUrl } from '../utils/calendar-url-parser';
+import { isAllDay } from '../utils/is-all-day';
 
 export class CalendarSubscription extends Entity<{ url: string }> {
   constructor(private readonly store: CalendarStore) {
@@ -39,6 +42,65 @@ export class CalendarSubscription extends Entity<{ url: string }> {
       return '';
     }
   });
+  eventsByDateMap$ = LiveData.computed(get => {
+    const content = get(this.content$);
+    const config = get(this.config$);
+
+    const map: EventsByDateMap = new Map();
+
+    if (!content || !config?.showEvents) return map;
+
+    const jCal = ICAL.parse(content);
+    const vCalendar = new ICAL.Component(jCal);
+    const vEvents = vCalendar.getAllSubcomponents('vevent');
+
+    for (const vEvent of vEvents) {
+      const event = new ICAL.Event(vEvent);
+      const calendarEvent: CalendarEvent = {
+        id: event.uid,
+        url: this.url,
+        title: event.summary,
+        startAt: event.startDate,
+        endAt: event.endDate,
+      };
+
+      // create index for each day of the event
+      if (event.startDate && event.endDate) {
+        const start = dayjs(event.startDate.toJSDate());
+        const end = dayjs(event.endDate.toJSDate());
+
+        let current = start;
+        while (current.isBefore(end) || current.isSame(end, 'day')) {
+          if (
+            current.isSame(end, 'day') &&
+            end.hour() === 0 &&
+            end.minute() === 0
+          ) {
+            break;
+          }
+          const todayEvent: CalendarEvent = { ...calendarEvent };
+          const dateKey = current.format('YYYY-MM-DD');
+          if (!map.has(dateKey)) {
+            map.set(dateKey, []);
+          }
+          todayEvent.allDay = isAllDay(current, start, end);
+          todayEvent.date = current;
+          todayEvent.id = `${event.uid}-${dateKey}`;
+          if (
+            config.showAllDayEvents ||
+            (!config.showAllDayEvents && !todayEvent.allDay)
+          ) {
+            map.get(dateKey)?.push(todayEvent);
+          }
+          current = current.add(1, 'day');
+        }
+      } else {
+        console.warn("event's start or end date is missing", event);
+      }
+    }
+
+    return map;
+  });
 
   url = this.props.url;
   loading$ = new LiveData(false);
diff --git a/packages/frontend/core/src/modules/integration/entities/calendar.ts b/packages/frontend/core/src/modules/integration/entities/calendar.ts
index ffade89aaf..8d9e432bce 100644
--- a/packages/frontend/core/src/modules/integration/entities/calendar.ts
+++ b/packages/frontend/core/src/modules/integration/entities/calendar.ts
@@ -1,5 +1,5 @@
 import { Entity, LiveData, ObjectPool } from '@toeverything/infra';
-import dayjs, { type Dayjs } from 'dayjs';
+import { type Dayjs } from 'dayjs';
 import ICAL from 'ical.js';
 import { Observable, switchMap } from 'rxjs';
 
@@ -7,33 +7,10 @@ import type {
   CalendarStore,
   CalendarSubscriptionConfig,
 } from '../store/calendar';
+import type { CalendarEvent } from '../type';
 import { parseCalendarUrl } from '../utils/calendar-url-parser';
 import { CalendarSubscription } from './calendar-subscription';
 
-export type CalendarEvent = {
-  id: string;
-  url: string;
-  title: string;
-  startAt?: ICAL.Time;
-  endAt?: ICAL.Time;
-  allDay?: boolean;
-  date?: Dayjs;
-};
-
-type EventsByDateMap = Map<string, CalendarEvent[]>;
-
-const isAllDay = (current: Dayjs, start: Dayjs, end: Dayjs): boolean => {
-  if (current.isSame(start, 'day')) {
-    return (
-      start.hour() === 0 && start.minute() === 0 && !current.isSame(end, 'day')
-    );
-  } else if (current.isSame(end, 'day')) {
-    return false;
-  } else {
-    return true;
-  }
-};
-
 export class CalendarIntegration extends Entity {
   constructor(private readonly store: CalendarStore) {
     super();
@@ -76,65 +53,20 @@ export class CalendarIntegration extends Entity {
       subscriptions.find(sub => sub.url === url)
     );
   }
-  contents$ = LiveData.computed(get => {
-    const subscriptions = get(this.subscriptions$);
-    return subscriptions.map(sub => ({
-      url: sub.url,
-      content: get(sub.content$),
-    }));
-  });
   eventsByDateMap$ = LiveData.computed(get => {
-    const contents = get(this.contents$);
-    const eventsByDate: EventsByDateMap = new Map();
-
-    for (const { content, url } of contents) {
-      if (!content) continue;
-      const jCal = ICAL.parse(content);
-      const vCalendar = new ICAL.Component(jCal);
-      const vEvents = vCalendar.getAllSubcomponents('vevent');
-
-      for (const vEvent of vEvents) {
-        const event = new ICAL.Event(vEvent);
-        const calendarEvent: CalendarEvent = {
-          id: event.uid,
-          url,
-          title: event.summary,
-          startAt: event.startDate,
-          endAt: event.endDate,
-        };
-
-        // create index for each day of the event
-        if (event.startDate && event.endDate) {
-          const start = dayjs(event.startDate.toJSDate());
-          const end = dayjs(event.endDate.toJSDate());
-
-          let current = start;
-          while (current.isBefore(end) || current.isSame(end, 'day')) {
-            if (
-              current.isSame(end, 'day') &&
-              end.hour() === 0 &&
-              end.minute() === 0
-            ) {
-              break;
-            }
-            const todayEvent: CalendarEvent = { ...calendarEvent };
-            const dateKey = current.format('YYYY-MM-DD');
-            if (!eventsByDate.has(dateKey)) {
-              eventsByDate.set(dateKey, []);
-            }
-            todayEvent.allDay = isAllDay(current, start, end);
-            todayEvent.date = current;
-            todayEvent.id = `${event.uid}-${dateKey}`;
-            eventsByDate.get(dateKey)?.push(todayEvent);
-            current = current.add(1, 'day');
-          }
-        } else {
-          console.warn("event's start or end date is missing", event);
+    return get(this.subscriptions$)
+      .map(sub => get(sub.eventsByDateMap$))
+      .reduce((acc, map) => {
+        for (const [date, events] of map) {
+          acc.set(
+            date,
+            acc.has(date) ? [...(acc.get(date) ?? []), ...events] : [...events]
+          );
         }
-      }
-    }
-    return eventsByDate;
+        return acc;
+      }, new Map<string, CalendarEvent[]>());
   });
+
   eventsByDate$(date: Dayjs) {
     return this.eventsByDateMap$.map(eventsByDateMap => {
       const dateKey = date.format('YYYY-MM-DD');
diff --git a/packages/frontend/core/src/modules/integration/index.ts b/packages/frontend/core/src/modules/integration/index.ts
index 9413c95201..bc6fe47277 100644
--- a/packages/frontend/core/src/modules/integration/index.ts
+++ b/packages/frontend/core/src/modules/integration/index.ts
@@ -18,9 +18,9 @@ import { IntegrationRefStore } from './store/integration-ref';
 import { ReadwiseStore } from './store/readwise';
 
 export { IntegrationService };
-export type { CalendarEvent } from './entities/calendar';
 export { CalendarIntegration } from './entities/calendar';
 export { CalendarSubscription } from './entities/calendar-subscription';
+export type { CalendarEvent } from './type';
 export { IntegrationTypeIcon } from './views/icon';
 export { DocIntegrationPropertiesTable } from './views/properties-table';
 
diff --git a/packages/frontend/core/src/modules/integration/type.ts b/packages/frontend/core/src/modules/integration/type.ts
index 0ef9c85fa9..883b2e7971 100644
--- a/packages/frontend/core/src/modules/integration/type.ts
+++ b/packages/frontend/core/src/modules/integration/type.ts
@@ -1,4 +1,6 @@
 import type { I18nString } from '@affine/i18n';
+import type { Dayjs } from 'dayjs';
+import type ICAL from 'ical.js';
 import type { ComponentType, SVGProps } from 'react';
 
 import type { DocIntegrationRef } from '../db/schema/schema';
@@ -96,3 +98,18 @@ export interface ReadwiseConfig {
 // Zotero
 // ===============================
 // TODO
+
+// ===============================
+// Calendar
+// ===============================
+export type CalendarEvent = {
+  id: string;
+  url: string;
+  title: string;
+  startAt?: ICAL.Time;
+  endAt?: ICAL.Time;
+  allDay?: boolean;
+  date?: Dayjs;
+};
+
+export type EventsByDateMap = Map<string, CalendarEvent[]>;
diff --git a/packages/frontend/core/src/modules/integration/utils/is-all-day.ts b/packages/frontend/core/src/modules/integration/utils/is-all-day.ts
new file mode 100644
index 0000000000..1afc8c3a54
--- /dev/null
+++ b/packages/frontend/core/src/modules/integration/utils/is-all-day.ts
@@ -0,0 +1,13 @@
+import type { Dayjs } from 'dayjs';
+
+export const isAllDay = (current: Dayjs, start: Dayjs, end: Dayjs): boolean => {
+  if (current.isSame(start, 'day')) {
+    return (
+      start.hour() === 0 && start.minute() === 0 && !current.isSame(end, 'day')
+    );
+  } else if (current.isSame(end, 'day')) {
+    return false;
+  } else {
+    return true;
+  }
+};
diff --git a/packages/frontend/i18n/src/i18n.gen.ts b/packages/frontend/i18n/src/i18n.gen.ts
index a29bfc84dc..2becd71bbc 100644
--- a/packages/frontend/i18n/src/i18n.gen.ts
+++ b/packages/frontend/i18n/src/i18n.gen.ts
@@ -7661,6 +7661,24 @@ export function useAFFiNEI18N(): {
       * `New doc`
       */
     ["com.affine.integration.calendar.new-doc"](): string;
+    /**
+      * `Show calendar events`
+      */
+    ["com.affine.integration.calendar.show-events"](): string;
+    /**
+      * `Enabling this setting allows you to connect your calendar events to your Journal in AFFiNE`
+      */
+    ["com.affine.integration.calendar.show-events-desc"](): string;
+    /**
+      * `Show all day event`
+      */
+    ["com.affine.integration.calendar.show-all-day-events"](): string;
+    /**
+      * `Are you sure you want to unsubscribe "{{name}}"? Unsubscribing this account will remove its data from Journal.`
+      */
+    ["com.affine.integration.calendar.unsubscribe-content"](options: {
+        readonly name: string;
+    }): string;
     /**
       * `Notes`
       */
diff --git a/packages/frontend/i18n/src/resources/en.json b/packages/frontend/i18n/src/resources/en.json
index 484b1406ce..e91270956e 100644
--- a/packages/frontend/i18n/src/resources/en.json
+++ b/packages/frontend/i18n/src/resources/en.json
@@ -1917,6 +1917,10 @@
   "com.affine.integration.calendar.new-error": "An error occurred while adding the calendar",
   "com.affine.integration.calendar.all-day": "All day",
   "com.affine.integration.calendar.new-doc": "New doc",
+  "com.affine.integration.calendar.show-events": "Show calendar events",
+  "com.affine.integration.calendar.show-events-desc": "Enabling this setting allows you to connect your calendar events to your Journal in AFFiNE",
+  "com.affine.integration.calendar.show-all-day-events": "Show all day event",
+  "com.affine.integration.calendar.unsubscribe-content": "Are you sure you want to unsubscribe \"{{name}}\"? Unsubscribing this account will remove its data from Journal.",
   "com.affine.audio.notes": "Notes",
   "com.affine.audio.transcribing": "Transcribing",
   "com.affine.audio.transcribe.non-owner.confirm.title": "Unable to retrieve AI results for others",