diff --git a/plugins/peco/peco.plugin.zsh b/plugins/peco/peco.plugin.zsh
new file mode 100644
index 00000000..4ff7d0ed
--- /dev/null
+++ b/plugins/peco/peco.plugin.zsh
@@ -0,0 +1,85 @@
+# select-history
+function peco-select-history() {
+    local tac
+    if which tac > /dev/null; then
+        tac="tac"
+    else
+        tac="tail -r"
+    fi
+    BUFFER=$(\history -n 1 | eval $tac | awk '!a[$0]++' | peco --query "$LBUFFER")
+    CURSOR=$#BUFFER
+    zle clear-screen
+}
+zle -N peco-select-history
+bindkey '^r' peco-select-history
+
+function peco-cd () {
+    local selected_dir=$(find ~/ -type d | peco)
+    if [ -n "$selected_dir" ]; then
+        BUFFER="cd ${selected_dir}"
+        zle accept-line
+    fi
+    zle clear-screen
+}
+zle -N peco-cd
+bindkey '^x^f' peco-cd
+
+function peco-kill-process () {
+    ps -ef | peco | awk '{ print $2 }' | xargs kill
+    zle clear-screen
+}
+zle -N peco-kill-process
+bindkey '^xk' peco-kill-process
+
+function peco-find-file-emacs () {
+    ls | peco | xargs emacsclient -n
+    zle clear-screen
+}
+zle -N peco-find-file-emacs
+bindkey '^x^f' peco-find-file-emacs
+
+function peco-kill-tmux-windows () {
+    tmux list-windows | peco | awk -F':' '{print $1}' | xargs tmux kill-window -t
+    zle clear-screen
+}
+zle -N peco-kill-tmux-windows
+bindkey '^x^pp' peco-kill-tmux-windows
+
+function peco-kill-ps () {
+    ps aux | peco | awk -F' ' '{print $2}' | xargs kill
+    zle clear-screen
+}
+zle -N peco-kill-ps
+bindkey '^x^pk' peco-kill-ps
+
+function peco-git-checkout () {
+    branch=$(git branch -a | peco | tr -d ' ')
+    if [ -n "$branch" ]; then
+        if [[ "$branch" =~ "remotes/" ]]; then
+            b=$(echo $branch | awk -F'/' '{print $3}')
+            git checkout -b ${b} ${branch}
+        else
+            git checkout ${branch}
+        fi
+    fi
+    zle clear-screen
+}
+zle -N peco-git-checkout
+bindkey '^xg' peco-git-checkout
+
+# ghq
+function peco-ghq-list () {
+  local selected_dir=$(ghq list -p | peco --query "$LBUFFER")
+  if [ -n "$selected_dir" ]; then
+    BUFFER="cd ${selected_dir}"
+    zle accept-line
+  fi
+  zle clear-screen
+}
+zle -N peco-ghq-list
+bindkey '^]' peco-ghq-list
+
+# ag
+function peco-ag-emacs () {
+    ag $@ | peco --query "$LBUFFER" | awk -F : '{print "+" $2 " " $1}' | xargs emacsclient -n
+}