diff --git a/src/main/java/org/codelibs/fess/Constants.java b/src/main/java/org/codelibs/fess/Constants.java
index a108f6056..44400796d 100644
--- a/src/main/java/org/codelibs/fess/Constants.java
+++ b/src/main/java/org/codelibs/fess/Constants.java
@@ -117,6 +117,8 @@ public class Constants extends CoreLibConstants {
 
     public static final String LOGIN_LINK_ENALBED_PROPERTY = "login.link.enabled";
 
+    public static final String THUMBNAIL_ENALBED_PROPERTY = "thumbnail.enabled";
+
     public static final String IGNORE_FAILURE_TYPE_PROPERTY = "failure.ignoretype";
 
     public static final String FAILURE_COUNT_THRESHOLD_PROPERTY = "failure.countthreshold";
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/general/AdminGeneralAction.java b/src/main/java/org/codelibs/fess/app/web/admin/general/AdminGeneralAction.java
index c493b23ce..ee619a0c8 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/general/AdminGeneralAction.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/general/AdminGeneralAction.java
@@ -119,6 +119,7 @@ public class AdminGeneralAction extends FessAdminAction {
 
         fessConfig.setLoginRequired(Constants.ON.equalsIgnoreCase(form.loginRequired));
         fessConfig.setLoginLinkEnabled(Constants.ON.equalsIgnoreCase(form.loginLink));
+        fessConfig.setThumbnailEnabled(Constants.ON.equalsIgnoreCase(form.thumbnail));
         fessConfig.setIncrementalCrawling(Constants.ON.equalsIgnoreCase(form.incrementalCrawling));
         fessConfig.setDayForCleanup(form.dayForCleanup);
         fessConfig.setCrawlingThreadCount(form.crawlingThreadCount);
@@ -156,6 +157,7 @@ public class AdminGeneralAction extends FessAdminAction {
     protected void updateForm(final EditForm form) {
         form.loginRequired = fessConfig.isLoginRequired() ? Constants.TRUE : Constants.FALSE;
         form.loginLink = fessConfig.isLoginLinkEnabled() ? Constants.TRUE : Constants.FALSE;
+        form.thumbnail = fessConfig.isThumbnailEnabled() ? Constants.TRUE : Constants.FALSE;
         form.incrementalCrawling = fessConfig.isIncrementalCrawling() ? Constants.TRUE : Constants.FALSE;
         form.dayForCleanup = fessConfig.getDayForCleanup();
         form.crawlingThreadCount = fessConfig.getCrawlingThreadCount();
diff --git a/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java b/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java
index 5d3741a86..27bf70992 100644
--- a/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java
+++ b/src/main/java/org/codelibs/fess/app/web/admin/general/EditForm.java
@@ -70,6 +70,9 @@ public class EditForm {
     @Size(max = 10)
     public String loginLink;
 
+    @Size(max = 10)
+    public String thumbnail;
+
     @Size(max = 1000)
     public String ignoreFailureType;
 
diff --git a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
index e9fad84a6..bd60cf814 100644
--- a/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
+++ b/src/main/java/org/codelibs/fess/mylasta/action/FessLabels.java
@@ -995,6 +995,9 @@ public class FessLabels extends ActionMessages {
     /** The key of the message: Login Link */
     public static final String LABELS_login_link = "{labels.login_link}";
 
+    /** The key of the message: Thumbnail View */
+    public static final String LABELS_THUMBNAIL = "{labels.thumbnail}";
+
     /** The key of the message: Excluded Failure Type */
     public static final String LABELS_ignore_failure_type = "{labels.ignore_failure_type}";
 
diff --git a/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java b/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java
index a6276912d..e0f9c8e17 100644
--- a/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java
+++ b/src/main/java/org/codelibs/fess/mylasta/direction/FessProp.java
@@ -249,6 +249,14 @@ public interface FessProp {
         return getSystemPropertyAsBoolean(Constants.LOGIN_LINK_ENALBED_PROPERTY, true);
     }
 
+    public default void setThumbnailEnabled(final boolean value) {
+        setSystemPropertyAsBoolean(Constants.THUMBNAIL_ENALBED_PROPERTY, value);
+    }
+
+    public default boolean isThumbnailEnabled() {
+        return getSystemPropertyAsBoolean(Constants.THUMBNAIL_ENALBED_PROPERTY, false);
+    }
+
     public default void setIncrementalCrawling(final boolean value) {
         setSystemPropertyAsBoolean(Constants.INCREMENTAL_CRAWLING_PROPERTY, value);
     }
diff --git a/src/main/resources/fess_label.properties b/src/main/resources/fess_label.properties
index 9e34bc256..2c59844df 100644
--- a/src/main/resources/fess_label.properties
+++ b/src/main/resources/fess_label.properties
@@ -322,6 +322,7 @@ labels.default_sort_value=Default Sort Value
 labels.append_query_param_enabled=Append Params to URL
 labels.login_required=Login Required
 labels.login_link=Login Link
+labels.thumbnail=Thumbnail View
 labels.ignore_failure_type=Excluded Failure Type
 labels.failure_count_threshold=Failure Count Threshold
 labels.popular_word_word_enabled=Popular Word Response
diff --git a/src/main/resources/fess_label_en.properties b/src/main/resources/fess_label_en.properties
index 282e1ca16..d2b15e210 100644
--- a/src/main/resources/fess_label_en.properties
+++ b/src/main/resources/fess_label_en.properties
@@ -322,6 +322,7 @@ labels.default_sort_value=Default Sort Value
 labels.append_query_param_enabled=Append Params to URL
 labels.login_required=Login Required
 labels.login_link=Login Link
+labels.thumbnail=Thumbnail View
 labels.ignore_failure_type=Excluded Failure Type
 labels.failure_count_threshold=Failure Count Threshold
 labels.popular_word_word_enabled=Popular Word Response
diff --git a/src/main/resources/fess_label_ja.properties b/src/main/resources/fess_label_ja.properties
index fb655ee9b..289b4e867 100644
--- a/src/main/resources/fess_label_ja.properties
+++ b/src/main/resources/fess_label_ja.properties
@@ -318,6 +318,7 @@ labels.default_sort_value=\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30bd\u30fc\u30c8
 labels.append_query_param_enabled=\u691c\u7d22\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8ffd\u52a0
 labels.login_required=\u30ed\u30b0\u30a4\u30f3\u304c\u5fc5\u8981
 labels.login_link=\u30ed\u30b0\u30a4\u30f3\u30ea\u30f3\u30af\u8868\u793a
+labels.thumbnail=\u30b5\u30e0\u30cd\u30a4\u30eb\u8868\u793a
 labels.ignore_failure_type=\u9664\u5916\u3059\u308b\u30a8\u30e9\u30fc\u306e\u7a2e\u985e
 labels.failure_count_threshold=\u969c\u5bb3\u6570\u306e\u3057\u304d\u3044\u5024
 labels.popular_word_word_enabled=\u4eba\u6c17\u30ef\u30fc\u30c9\u306e\u30ec\u30b9\u30dd\u30f3\u30b9
diff --git a/src/main/webapp/WEB-INF/view/admin/general/admin_general.jsp b/src/main/webapp/WEB-INF/view/admin/general/admin_general.jsp
index e6bb11d0f..8bfde078f 100644
--- a/src/main/webapp/WEB-INF/view/admin/general/admin_general.jsp
+++ b/src/main/webapp/WEB-INF/view/admin/general/admin_general.jsp
@@ -69,6 +69,18 @@
 											</div>
 										</div>
 									</div>
+									<div class="form-group">
+										<label for="thumbnail" class="col-sm-3 control-label"><la:message
+												key="labels.thumbnail" /></label>
+										<div class="col-sm-9">
+											<la:errors property="thumbnail" />
+											<div class="checkbox">
+												<label> <la:checkbox property="thumbnail" /> <la:message
+														key="labels.enabled" />
+												</label>
+											</div>
+										</div>
+									</div>
 									<div class="form-group">
 										<label for="defaultLabelValue" class="col-sm-3 control-label"><la:message
 												key="labels.default_label_value" /></label>