diff --git a/build.gradle b/build.gradle
index d76c339..5d53c13 100644
--- a/build.gradle
+++ b/build.gradle
@@ -72,9 +72,8 @@ dependencies {
     implementation("org.modelmapper:modelmapper:3.1.1")
 
     // (1) hospital-interface 모듈
-    implementation "com.doubleo.grpc:hospital-interface:0.2.3"
-    implementation "com.doubleo.grpc:patient-interface:0.2.3"
-    implementation "com.doubleo.grpc:member-interface:0.2.3"
+    implementation "com.doubleo.grpc:hospital-interface:0.2.7"
+    implementation "com.doubleo.grpc:log-interface:0.2.7"
 
     // (2) gRPC 런타임
     implementation "io.grpc:grpc-netty:1.63.0"
@@ -135,10 +134,10 @@ tasks.register('updateGitHooks', Copy) {
 }
 
 
-//tasks.register('makeGitHooksExecutable', Exec) {
-//    commandLine 'chmod', '+x', './.git/hooks/pre-commit', './.git/hooks/prepare-commit-msg'
-//    dependsOn updateGitHooks
-//}
-//
-//compileJava.dependsOn makeGitHooksExecutable
-//
+tasks.register('makeGitHooksExecutable', Exec) {
+    commandLine 'chmod', '+x', './.git/hooks/pre-commit', './.git/hooks/prepare-commit-msg'
+    dependsOn updateGitHooks
+}
+
+compileJava.dependsOn makeGitHooksExecutable
+
diff --git a/src/main/java/com/doubleo/logservice/global/util/TimestampUtils.java b/src/main/java/com/doubleo/logservice/global/util/TimestampUtils.java
new file mode 100644
index 0000000..ed47f5a
--- /dev/null
+++ b/src/main/java/com/doubleo/logservice/global/util/TimestampUtils.java
@@ -0,0 +1,33 @@
+package com.doubleo.logservice.global.util;
+
+import com.google.protobuf.Timestamp;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+
+public class TimestampUtils {
+
+    private static final ZoneId DEFAULT_ZONE_ID = ZoneId.systemDefault();
+
+    private TimestampUtils() {}
+
+    public static LocalDateTime toLocalDateTime(Timestamp timestamp) {
+        if (timestamp == null) {
+            return null;
+        }
+        return LocalDateTime.ofInstant(
+                Instant.ofEpochSecond(timestamp.getSeconds(), timestamp.getNanos()),
+                DEFAULT_ZONE_ID);
+    }
+
+    public static Timestamp fromLocalDateTime(LocalDateTime localDateTime) {
+        if (localDateTime == null) {
+            return null;
+        }
+        Instant instant = localDateTime.atZone(DEFAULT_ZONE_ID).toInstant();
+        return Timestamp.newBuilder()
+                .setSeconds(instant.getEpochSecond())
+                .setNanos(instant.getNano())
+                .build();
+    }
+}
diff --git a/src/main/java/com/doubleo/logservice/grpc/server/LogGrpcServiceImpl.java b/src/main/java/com/doubleo/logservice/grpc/server/LogGrpcServiceImpl.java
new file mode 100644
index 0000000..e8b555f
--- /dev/null
+++ b/src/main/java/com/doubleo/logservice/grpc/server/LogGrpcServiceImpl.java
@@ -0,0 +1,99 @@
+package com.doubleo.logservice.grpc.server;
+
+import com.doubleo.logservice.domain.log.domain.*;
+import com.doubleo.logservice.domain.log.repository.BuildingEnterLogRepository;
+import com.doubleo.logservice.domain.log.repository.EnterLogRepository;
+import com.doubleo.logservice.domain.log.repository.IssuedLogAreaRepository;
+import com.doubleo.logservice.domain.log.repository.IssuedLogRepository;
+import com.doubleo.logservice.global.enums.VisitCategory;
+import com.doubleo.logservice.global.util.TimestampUtils;
+import io.grpc.stub.StreamObserver;
+import java.util.List;
+import net.devh.boot.grpc.server.service.GrpcService;
+
+@GrpcService
+public class LogGrpcServiceImpl extends LogServiceGrpc.LogServiceImplBase {
+
+    private final IssuedLogRepository issuedLogRepository;
+    private final IssuedLogAreaRepository issuedLogAreaRepository;
+    private final EnterLogRepository enterLogRepository;
+    private final BuildingEnterLogRepository buildingEnterLogRepository;
+
+    public LogGrpcServiceImpl(
+            IssuedLogRepository issuedLogRepository,
+            IssuedLogAreaRepository issuedLogAreaRepository,
+            EnterLogRepository enterLogRepository,
+            BuildingEnterLogRepository buildingEnterLogRepository) {
+        this.issuedLogRepository = issuedLogRepository;
+        this.issuedLogAreaRepository = issuedLogAreaRepository;
+        this.enterLogRepository = enterLogRepository;
+        this.buildingEnterLogRepository = buildingEnterLogRepository;
+    }
+
+    @Override
+    public void createIssuedLog(
+            CreateIssuedLogRequest request,
+            StreamObserver<CreateIssuedLogResponse> responseObserver) {
+        IssuedLog issuedLog =
+                issuedLogRepository.save(
+                        IssuedLog.createIssuedLog(
+                                request.getTenantId(),
+                                request.getMemberId(),
+                                request.getMemberName(),
+                                request.getMemberContact(),
+                                request.getPassId(),
+                                TimestampUtils.toLocalDateTime(request.getStartAt()),
+                                TimestampUtils.toLocalDateTime(request.getExpiredAt()),
+                                VisitCategory.valueOf(request.getVisitCategory())));
+        List<IssuedLogArea> logAreas =
+                request.getAreaCodesList().stream()
+                        .map(
+                                code ->
+                                        IssuedLogArea.createIssuedLogArea(
+                                                request.getTenantId(), issuedLog, code))
+                        .toList();
+        issuedLogAreaRepository.saveAll(logAreas);
+        responseObserver.onNext(
+                CreateIssuedLogResponse.newBuilder().setIssuedLogId(issuedLog.getId()).build());
+        responseObserver.onCompleted();
+    }
+
+    @Override
+    public void createEnterLog(
+            CreateEnterLogRequest request,
+            StreamObserver<CreateEnterLogResponse> responseObserver) {
+        EnterLog enterLog =
+                enterLogRepository.save(
+                        EnterLog.createEnterLog(
+                                request.getTenantId(),
+                                request.getAreaId(),
+                                request.getMemberId(),
+                                request.getMemberName(),
+                                request.getPassId(),
+                                VisitCategory.valueOf(request.getVisitCategory())));
+        responseObserver.onNext(
+                CreateEnterLogResponse.newBuilder().setEnterLogId(enterLog.getId()).build());
+        responseObserver.onCompleted();
+    }
+
+    @Override
+    public void createBuildingEnterLog(
+            CreateBuildingEnterLogRequest request,
+            StreamObserver<CreateBuildingEnterLogResponse> responseObserver) {
+        BuildingEnterLog buildingEnterLog =
+                buildingEnterLogRepository.save(
+                        BuildingEnterLog.createBuildingEnterLog(
+                                request.getTenantId(),
+                                request.getBuildingId(),
+                                request.getMemberId(),
+                                request.getMemberName(),
+                                request.getPassId(),
+                                Direction.valueOf(request.getDirection()),
+                                VisitCategory.valueOf(request.getVisitCategory())));
+        responseObserver.onNext(
+                CreateBuildingEnterLogResponse.newBuilder()
+                        .setBuildingEnterLogId(buildingEnterLog.getId())
+                        .build());
+        responseObserver.onCompleted();
+    }
+}