diff --git a/src/main/java/net/teumteum/meeting/service/MeetingAlertPublisher.java b/src/main/java/net/teumteum/meeting/service/MeetingAlertPublisher.java
index 858650e..bcc2bd8 100644
--- a/src/main/java/net/teumteum/meeting/service/MeetingAlertPublisher.java
+++ b/src/main/java/net/teumteum/meeting/service/MeetingAlertPublisher.java
@@ -16,6 +16,7 @@
 @Transactional(readOnly = true)
 public class MeetingAlertPublisher {
 
+    private static final String KR_TIME_ZONE = "Asia/Seoul";
     private static final String EVERY_ONE_MINUTES = "0 * * * * *";
     private static final String EVERY_12PM = "0 0 12 * * *";
 
@@ -24,18 +25,20 @@ public class MeetingAlertPublisher {
 
     @Scheduled(cron = EVERY_ONE_MINUTES)
     public void alertBeforeMeeting() {
-        var alertStart = LocalDateTime.now(ZoneId.of("Asia/Seoul")).plusMinutes(5).withNano(0).withSecond(0);
+        var alertStart = LocalDateTime.now(ZoneId.of(KR_TIME_ZONE)).plusMinutes(5).withNano(0).withSecond(0);
         var alertEnd = alertStart.plusMinutes(1).withNano(0).withSecond(0);
         var alertTargets = meetingRepository.findAlertMeetings(alertStart, alertEnd);
-        alertTargets.forEach(meeting -> eventPublisher.publishEvent(
-                new BeforeMeetingAlerted(meeting.getParticipantUserIds())
-            )
-        );
+        alertTargets.stream()
+            .filter(alertTarget -> alertTarget.getParticipantUserIds().size() > 2)
+            .forEach(meeting -> eventPublisher.publishEvent(
+                    new BeforeMeetingAlerted(meeting.getParticipantUserIds())
+                )
+            );
     }
 
     @Scheduled(cron = EVERY_12PM)
     public void alertEndMeeting() {
-        var today = LocalDateTime.now(ZoneId.of("Asia/Seoul"))
+        var today = LocalDateTime.now(ZoneId.of(KR_TIME_ZONE))
             .withNano(0)
             .withSecond(0)
             .withMinute(0)
@@ -44,14 +47,16 @@ public void alertEndMeeting() {
         var yesterday = today.minusDays(1);
 
         var alertTargets = meetingRepository.findAlertMeetings(yesterday, today);
-        alertTargets.forEach(meeting -> eventPublisher.publishEvent(
-            new EndMeetingAlerted(meeting.getId(), meeting.getTitle(), meeting.getParticipantUserIds())
-        ));
+        alertTargets.stream()
+            .filter(alertTarget -> alertTarget.getParticipantUserIds().size() > 2)
+            .forEach(meeting -> eventPublisher.publishEvent(
+                new EndMeetingAlerted(meeting.getId(), meeting.getTitle(), meeting.getParticipantUserIds())
+            ));
     }
 
     @Scheduled(cron = EVERY_ONE_MINUTES)
     public void alertEndMeetingForQa() {
-        var today = LocalDateTime.now(ZoneId.of("Asia/Seoul"))
+        var today = LocalDateTime.now(ZoneId.of(KR_TIME_ZONE))
             .withNano(0)
             .withSecond(0)
             .withMinute(0)
@@ -61,8 +66,10 @@ public void alertEndMeetingForQa() {
         var yesterday = today.minusDays(365);
 
         var alertTargets = meetingRepository.findAlertMeetings(yesterday, future);
-        alertTargets.forEach(meeting -> eventPublisher.publishEvent(
-            new EndMeetingAlerted(meeting.getId(), meeting.getTitle(), meeting.getParticipantUserIds())
-        ));
+        alertTargets.stream()
+            .filter(alertTarget -> alertTarget.getParticipantUserIds().size() > 2)
+            .forEach(meeting -> eventPublisher.publishEvent(
+                new EndMeetingAlerted(meeting.getId(), meeting.getTitle(), meeting.getParticipantUserIds())
+            ));
     }
 }