diff --git a/src/problem/admin.py b/src/problem/admin.py
index 6e2fdb4..2ff1300 100644
--- a/src/problem/admin.py
+++ b/src/problem/admin.py
@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from website.actions import ExportCsvMixin
+from website.actions import ExportCsvMixin, ProblemInstanceVisibilityMixin
 from .models import Problem, ProblemAttachment, ProblemInstance, ProblemList, ProblemAuthLog, ProblemQuestion
 
 
@@ -17,8 +17,9 @@ class ProblemAttachmentAdmin(admin.ModelAdmin):
 
 
 @admin.register(ProblemInstance)
-class ProblemInstanceAdmin(admin.ModelAdmin):
+class ProblemInstanceAdmin(admin.ModelAdmin, ProblemInstanceVisibilityMixin):
     list_display = ('pk', 'problem')
+    actions = ['hide_problem_instance', 'show_problem_instance']
 
 
 @admin.register(ProblemList)
diff --git a/src/website/actions.py b/src/website/actions.py
index cec3180..cfee709 100644
--- a/src/website/actions.py
+++ b/src/website/actions.py
@@ -20,3 +20,15 @@ def export_as_csv(self, request, queryset):
         return response
 
     export_as_csv.short_description = "선택된 항목 을/를 CSV 로 내보냅니다."
+
+
+class ProblemInstanceVisibilityMixin:
+    def hide_problem_instance(self, request, queryset):
+        queryset.update(hidden=True)
+
+    def show_problem_instance(self, request, queryset):
+        queryset.update(hidden=False)
+
+    hide_problem_instance.short_description = "선택된 항목 을/를 문제 리스트에서 숨깁니다."
+
+    show_problem_instance.short_description = "선택된 항목 을/를 문제 리스트에서 보입니다."