diff --git a/browser/finder/index.js b/browser/finder/index.js
index 921abf1d..8ef40501 100644
--- a/browser/finder/index.js
+++ b/browser/finder/index.js
@@ -23,6 +23,7 @@ function getIconPath () {
 require('../styles/finder/index.styl')
 
 const FOLDER_FILTER = 'FOLDER_FILTER'
+const FOLDER_EXACT_FILTER = 'FOLDER_EXACT_FILTER'
 const TEXT_FILTER = 'TEXT_FILTER'
 const TAG_FILTER = 'TAG_FILTER'
 
@@ -136,27 +137,47 @@ FinderMain.propTypes = {
   dispatch: PropTypes.func
 }
 
+// Ignore invalid key
+function ignoreInvalidKey (key) {
+  return key.length > 0 && !key.match(/^\/\/$/) && !key.match(/^\/$/) && !key.match(/^#$/)
+}
+
+// Build filter object by key
+function buildFilter (key) {
+  if (key.match(/^\/\/.+/)) {
+    return {type: FOLDER_EXACT_FILTER, value: key.match(/^\/\/(.+)$/)[1]}
+  }
+  if (key.match(/^\/.+/)) {
+    return {type: FOLDER_FILTER, value: key.match(/^\/(.+)$/)[1]}
+  }
+  if (key.match(/^#(.+)/)) {
+    return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
+  }
+  return {type: TEXT_FILTER, value: key}
+}
+
 function remap (state) {
   let { articles, folders, status } = state
 
-  let filters = status.search.split(' ').map(key => key.trim()).filter(key => key.length > 0 && !key.match(/^\/$/) && !key.match(/^#$/)).map(key => {
-    if (key.match(/^\/.+$/)) {
-      return {type: FOLDER_FILTER, value: key.match(/^\/(.+)$/)[1]}
-    }
-    if (key.match(/^#(.+)/)) {
-      return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
-    }
-    return {type: TEXT_FILTER, value: key}
-  })
+  let filters = status.search.split(' ')
+    .map(key => key.trim())
+    .filter(ignoreInvalidKey)
+    .map(buildFilter)
+
+  let folderExactFilters = filters.filter(filter => filter.type === FOLDER_EXACT_FILTER)
   let folderFilters = filters.filter(filter => filter.type === FOLDER_FILTER)
   let textFilters = filters.filter(filter => filter.type === TEXT_FILTER)
   let tagFilters = filters.filter(filter => filter.type === TAG_FILTER)
 
+  let targetFolders
   if (folders != null) {
-    let targetFolders = folders.filter(folder => {
+    let exactTargetFolders = folders.filter(folder => {
+      return _.find(folderExactFilters, filter => folder.name.match(new RegExp(`^${filter.value}$`)))
+    })
+    let fuzzyTargetFolders = folders.filter(folder => {
       return _.find(folderFilters, filter => folder.name.match(new RegExp(`^${filter.value}`)))
     })
-    status.targetFolders = targetFolders
+    targetFolders = status.targetFolders = exactTargetFolders.concat(fuzzyTargetFolders)
 
     if (targetFolders.length > 0) {
       articles = articles.filter(article => {
diff --git a/browser/main/HomePage.js b/browser/main/HomePage.js
index 1504cda9..beb312ee 100644
--- a/browser/main/HomePage.js
+++ b/browser/main/HomePage.js
@@ -12,6 +12,7 @@ import { isModalOpen, closeModal } from 'boost/modal'
 
 const TEXT_FILTER = 'TEXT_FILTER'
 const FOLDER_FILTER = 'FOLDER_FILTER'
+const FOLDER_EXACT_FILTER = 'FOLDER_EXACT_FILTER'
 const TAG_FILTER = 'TAG_FILTER'
 
 class HomePage extends React.Component {
@@ -135,6 +136,25 @@ class HomePage extends React.Component {
   }
 }
 
+// Ignore invalid key
+function ignoreInvalidKey (key) {
+  return key.length > 0 && !key.match(/^\/\/$/) && !key.match(/^\/$/) && !key.match(/^#$/)
+}
+
+// Build filter object by key
+function buildFilter (key) {
+  if (key.match(/^\/\/.+/)) {
+    return {type: FOLDER_EXACT_FILTER, value: key.match(/^\/\/(.+)$/)[1]}
+  }
+  if (key.match(/^\/.+/)) {
+    return {type: FOLDER_FILTER, value: key.match(/^\/(.+)$/)[1]}
+  }
+  if (key.match(/^#(.+)/)) {
+    return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
+  }
+  return {type: TEXT_FILTER, value: key}
+}
+
 function remap (state) {
   let { folders, articles, status } = state
 
@@ -145,24 +165,25 @@ function remap (state) {
   let allArticles = articles.slice()
 
   // Filter articles
-  let filters = status.search.split(' ').map(key => key.trim()).filter(key => key.length > 0 && !key.match(/^\/$/) && !key.match(/^#$/)).map(key => {
-    if (key.match(/^\/.+/)) {
-      return {type: FOLDER_FILTER, value: key.match(/^\/(.+)$/)[1]}
-    }
-    if (key.match(/^#(.+)/)) {
-      return {type: TAG_FILTER, value: key.match(/^#(.+)$/)[1]}
-    }
-    return {type: TEXT_FILTER, value: key}
-  })
+  let filters = status.search.split(' ')
+    .map(key => key.trim())
+    .filter(ignoreInvalidKey)
+    .map(buildFilter)
+
+  let folderExactFilters = filters.filter(filter => filter.type === FOLDER_EXACT_FILTER)
   let folderFilters = filters.filter(filter => filter.type === FOLDER_FILTER)
   let textFilters = filters.filter(filter => filter.type === TEXT_FILTER)
   let tagFilters = filters.filter(filter => filter.type === TAG_FILTER)
 
+  let targetFolders
   if (folders != null) {
-    let targetFolders = folders.filter(folder => {
+    let exactTargetFolders = folders.filter(folder => {
+      return _.find(folderExactFilters, filter => folder.name.match(new RegExp(`^${filter.value}$`)))
+    })
+    let fuzzyTargetFolders = folders.filter(folder => {
       return _.find(folderFilters, filter => folder.name.match(new RegExp(`^${filter.value}`)))
     })
-    status.targetFolders = targetFolders
+    targetFolders = status.targetFolders = exactTargetFolders.concat(fuzzyTargetFolders)
 
     if (targetFolders.length > 0) {
       articles = articles.filter(article => {
@@ -204,11 +225,10 @@ function remap (state) {
   // or Change IDLE MODE
   if (status.mode === CREATE_MODE) {
     let newArticle = _.findWhere(articles, {status: 'NEW'})
-    let FolderKey = folders[0].key
-    if (folderFilters.length > 0) {
-      let targetFolder = _.find(folders, folder => folder.name.match(new RegExp(`^${folderFilters[0].value}`)))
-      if (targetFolder != null) FolderKey = targetFolder.key
-    }
+    console.log('targetFolders')
+    let FolderKey = targetFolders.length > 0
+      ? targetFolders[0].key
+      : folders[0].key
 
     if (newArticle == null) {
       newArticle = {
diff --git a/browser/main/HomePage/ArticleTopBar.js b/browser/main/HomePage/ArticleTopBar.js
index 285b95de..62880bc7 100644
--- a/browser/main/HomePage/ArticleTopBar.js
+++ b/browser/main/HomePage/ArticleTopBar.js
@@ -11,6 +11,8 @@ const searchTutorialElement = (
     <text x='450' y='60' fill={BRAND_COLOR} fontSize='18'>{'- Search by tag : #{string}'}</text>
     <text x='450' y='85' fill={BRAND_COLOR} fontSize='18'>
     {'- Search by folder : /{folder_name}\n'}</text>
+    <text x='465' y='105' fill={BRAND_COLOR} fontSize='14'>
+    {'exact match : //{folder_name}'}</text>
 
     <svg width='500' height='300'>
       <path fill='white' d='M54.5,51.5c-12.4,3.3-27.3-1.4-38.4-7C11.2,42,5,38.1,5.6,31.8c0.7-6.9,8.1-11.2,13.8-13.7
diff --git a/lib/reducer.js b/lib/reducer.js
index 1c937100..5b234722 100644
--- a/lib/reducer.js
+++ b/lib/reducer.js
@@ -29,7 +29,8 @@ function folders (state = initialFolders, action) {
           updatedAt: new Date()
         })
 
-        if (newFolder.length === 0) throw new Error('Folder name is required')
+        if (newFolder.name == null && newFolder.name.length === 0) throw new Error('Folder name is required')
+        if (newFolder.name.match(/\//)) throw new Error('`/` is not available for folder name')
 
         let conflictFolder = _.findWhere(state, {name: newFolder.name})
         if (conflictFolder != null) throw new Error(`${newFolder.name} already exists!`)
@@ -129,7 +130,7 @@ function status (state = initialStatus, action) {
       return state
     case SWITCH_FOLDER:
       state.mode = IDLE_MODE
-      state.search = `/${action.data} `
+      state.search = `//${action.data} `
 
       return state
     case SWITCH_MODE: