diff --git a/src/web/app/mobile/tags/drive-folder-selector.tag b/src/web/app/mobile/tags/drive-folder-selector.tag
new file mode 100644
index 000000000..98e883d7e
--- /dev/null
+++ b/src/web/app/mobile/tags/drive-folder-selector.tag
@@ -0,0 +1,65 @@
+<mk-drive-folder-selector>
+	<div class="body">
+		<header>
+			<h1>フォルダを選択</h1>
+			<button class="close" onclick={ cancel }><i class="fa fa-times"></i></button>
+			<button class="ok" onclick={ ok }><i class="fa fa-check"></i></button>
+		</header>
+		<mk-drive ref="browser" select-folder={ true }></mk-drive>
+	</div>
+	<style>
+		:scope
+			display block
+
+			> .body
+				position fixed
+				z-index 2048
+				top 0
+				left 0
+				width 100%
+				height 100%
+				overflow hidden
+				background #fff
+
+				> header
+					border-bottom solid 1px #eee
+
+					> h1
+						margin 0
+						padding 0
+						text-align center
+						line-height 42px
+						font-size 1em
+						font-weight normal
+
+					> .close
+						position absolute
+						top 0
+						left 0
+						line-height 42px
+						width 42px
+
+					> .ok
+						position absolute
+						top 0
+						right 0
+						line-height 42px
+						width 42px
+
+				> mk-drive
+					height calc(100% - 42px)
+					overflow scroll
+
+	</style>
+	<script>
+		this.cancel = () => {
+			this.trigger('canceled');
+			this.unmount();
+		};
+
+		this.ok = () => {
+			this.trigger('selected', this.refs.browser.folder);
+			this.unmount();
+		};
+	</script>
+</mk-drive-folder-selector>
diff --git a/src/web/app/mobile/tags/drive-selector.tag b/src/web/app/mobile/tags/drive-selector.tag
index 0122ad3fc..c6df92a05 100644
--- a/src/web/app/mobile/tags/drive-selector.tag
+++ b/src/web/app/mobile/tags/drive-selector.tag
@@ -5,7 +5,7 @@
 			<button class="close" onclick={ cancel }><i class="fa fa-times"></i></button>
 			<button class="ok" onclick={ ok }><i class="fa fa-check"></i></button>
 		</header>
-		<mk-drive ref="browser" select={ true } multiple={ opts.multiple }></mk-drive>
+		<mk-drive ref="browser" select-file={ true } multiple={ opts.multiple }></mk-drive>
 	</div>
 	<style>
 		:scope
diff --git a/src/web/app/mobile/tags/drive.tag b/src/web/app/mobile/tags/drive.tag
index de1abf3da..307caa470 100644
--- a/src/web/app/mobile/tags/drive.tag
+++ b/src/web/app/mobile/tags/drive.tag
@@ -142,7 +142,7 @@
 
 		this.file = null;
 
-		this.isSelectMode = this.opts.select;
+		this.isFileSelectMode = this.opts.selectFile;
 		this.multiple =this.opts.multiple;
 
 		this.on('mount', () => {
@@ -381,7 +381,7 @@
 		};
 
 		this.chooseFile = file => {
-			if (this.isSelectMode) {
+			if (this.isFileSelectMode) {
 				if (this.selectedFiles.some(f => f.id == file.id)) {
 					this.selectedFiles = this.selectedFiles.filter(f => f.id != file.id);
 				} else {
diff --git a/src/web/app/mobile/tags/drive/file-viewer.tag b/src/web/app/mobile/tags/drive/file-viewer.tag
index 78a10b83b..ca8d912c6 100644
--- a/src/web/app/mobile/tags/drive/file-viewer.tag
+++ b/src/web/app/mobile/tags/drive/file-viewer.tag
@@ -34,6 +34,9 @@
 			<button onclick={ rename }>
 				<i class="fa fa-pencil"></i>名前を変更
 			</button>
+			<button onclick={ move }>
+				<i class="fa fa-folder-open"></i>移動
+			</button>
 		</div>
 	</div>
 	<div class="hash">
@@ -198,5 +201,19 @@
 				this.parent.cf(this.file, true);
 			});
 		};
+
+		this.move = () => {
+			const dialog = riot.mount(document.body.appendChild(document.createElement('mk-drive-folder-selector')), {
+				multiple: true
+			})[0];
+			dialog.one('selected', folder => {
+				this.api('drive/files/update', {
+					file_id: this.file.id,
+					folder_id: folder == null ? null : folder.id
+				}).then(() => {
+					this.parent.cf(this.file, true);
+				});
+			});
+		};
 	</script>
 </mk-drive-file-viewer>
diff --git a/src/web/app/mobile/tags/index.js b/src/web/app/mobile/tags/index.js
index dec2be332..3797e1a15 100644
--- a/src/web/app/mobile/tags/index.js
+++ b/src/web/app/mobile/tags/index.js
@@ -30,6 +30,7 @@ require('./sub-post-content.tag');
 require('./images-viewer.tag');
 require('./drive.tag');
 require('./drive-selector.tag');
+require('./drive-folder-selector.tag');
 require('./drive/file.tag');
 require('./drive/folder.tag');
 require('./drive/file-viewer.tag');