diff --git a/Network-Office/src/main/java/dev/office/networkoffice/gathering/controller/dto/request/GatheringDto.java b/Network-Office/src/main/java/dev/office/networkoffice/gathering/controller/dto/request/GatheringDto.java
index a3d0eff..c8a570b 100644
--- a/Network-Office/src/main/java/dev/office/networkoffice/gathering/controller/dto/request/GatheringDto.java
+++ b/Network-Office/src/main/java/dev/office/networkoffice/gathering/controller/dto/request/GatheringDto.java
@@ -1,6 +1,5 @@
 package dev.office.networkoffice.gathering.controller.dto.request;
 
-import java.time.LocalDateTime;
 import java.time.LocalTime;
 import java.time.format.DateTimeFormatter;
 
diff --git a/Network-Office/src/main/java/dev/office/networkoffice/gathering/entity/Gathering.java b/Network-Office/src/main/java/dev/office/networkoffice/gathering/entity/Gathering.java
index 1bda848..d06aa18 100644
--- a/Network-Office/src/main/java/dev/office/networkoffice/gathering/entity/Gathering.java
+++ b/Network-Office/src/main/java/dev/office/networkoffice/gathering/entity/Gathering.java
@@ -105,6 +105,10 @@ public List<User> getConfiremedUserList() {
                 .toList();
     }
 
+    public int getPresentGatheringMemberCount(){
+        return getConfiremedUserList().size();
+    }
+
     private boolean isConfirmedUser(GatheringUser gatheringUser) {
         return gatheringUser.getGatheringUserStatus()
                 .equals(GatheringUserStatus.CONFIRMED_USER);
diff --git a/Network-Office/src/main/java/dev/office/networkoffice/gathering/service/GatheringService.java b/Network-Office/src/main/java/dev/office/networkoffice/gathering/service/GatheringService.java
index 2d6ad83..932bf9f 100644
--- a/Network-Office/src/main/java/dev/office/networkoffice/gathering/service/GatheringService.java
+++ b/Network-Office/src/main/java/dev/office/networkoffice/gathering/service/GatheringService.java
@@ -10,7 +10,6 @@
 import dev.office.networkoffice.gatheringUser.domain.GatheringUser;
 import dev.office.networkoffice.gatheringUser.domain.GatheringUserStatus;
 import dev.office.networkoffice.gatheringUser.repository.GatheringUserRepository;
-import dev.office.networkoffice.gatheringUser.service.GatheringUserService;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -38,7 +37,7 @@ public GatheringResponseDto createGathering(Long userId, GatheringDto dto) {
         User host = findUserById(userId);
         Gathering gathering = createGatheringByRequest(dto, host);
         Gathering savedGathering = gatheringRepository.save(gathering);
-        GatheringUser gatheringUser= gatheringUserRepository.save(
+        GatheringUser gatheringUser = gatheringUserRepository.save(
                 savedGathering.createGatheringUserByHost()
         );
         gatheringUser.updateApplicantStatus(GatheringUserStatus.CONFIRMED_USER, "호스트입니다.");
diff --git a/Network-Office/src/main/java/dev/office/networkoffice/gatheringUser/domain/GatheringUser.java b/Network-Office/src/main/java/dev/office/networkoffice/gatheringUser/domain/GatheringUser.java
index 4af977e..eeca1b1 100644
--- a/Network-Office/src/main/java/dev/office/networkoffice/gatheringUser/domain/GatheringUser.java
+++ b/Network-Office/src/main/java/dev/office/networkoffice/gatheringUser/domain/GatheringUser.java
@@ -78,6 +78,7 @@ private void deportApplicants(String reason) {
     }
 
     private void confirmApplicants() {
+        checkMaxMembers();
         this.gatheringUserStatus = GatheringUserStatus.CONFIRMED_USER;
     }
 
@@ -90,4 +91,8 @@ public boolean isEligibleForReapplication() {
         GatheringUserStatus status = gatheringUserStatus;
         return !(status == GatheringUserStatus.DEPORTATION_USER || status == GatheringUserStatus.BLOCKED_USER);
     }
+
+    private void checkMaxMembers() {
+        Assert.isTrue(gathering.getPresentGatheringMemberCount() + 1 <= gathering.getMaxMembers(), "모임 최대 인원을 초과했습니다.");
+    }
 }