diff --git a/autoload/SpaceVim.vim b/autoload/SpaceVim.vim
index 9dc615d61..b78cdea66 100644
--- a/autoload/SpaceVim.vim
+++ b/autoload/SpaceVim.vim
@@ -618,7 +618,10 @@ let g:spacevim_enable_powerline_fonts  = 1
 "   let g:spacevim_lint_on_save = 0
 " <
 let g:spacevim_lint_on_save            = 1
-let g:spacevim_search_tools            = ['rg', 'ag', 'pt', 'ack', 'grep']
+""
+" Default search tools supported by flygrep. The default order is ['rg', 'ag',
+" 'pt', 'ack', 'grep', 'findstr']
+let g:spacevim_search_tools            = ['rg', 'ag', 'pt', 'ack', 'grep', 'findstr']
 ""
 " Set the project rooter patterns, by default it is
 " `['.git/', '_darcs/', '.hg/', '.bzr/', '.svn/']`
diff --git a/autoload/SpaceVim/mapping/search.vim b/autoload/SpaceVim/mapping/search.vim
index 01e79e310..ee5b93f3a 100644
--- a/autoload/SpaceVim/mapping/search.vim
+++ b/autoload/SpaceVim/mapping/search.vim
@@ -6,6 +6,11 @@
 " License: GPLv3
 "=============================================================================
 
+" How to add new search tools?
+"
+" first, namespace should avoid b d f j p B D F J P
+" then, the exist namespace should be avoid too
+
 let s:search_tools = {}
 let s:search_tools.namespace = {
       \ 'rg' : 'r',
@@ -13,6 +18,7 @@ let s:search_tools.namespace = {
       \ 'pt' : 't',
       \ 'ack' : 'k',
       \ 'grep' : 'g',
+      \ 'findstr' : 'i',
       \ }
 let s:search_tools.a = {}
 let s:search_tools.a.command = 'ag'
@@ -71,6 +77,16 @@ let s:search_tools.g.default_fopts = []
 let s:search_tools.g.smart_case = []
 let s:search_tools.g.ignore_case = ['-i']
 
+let s:search_tools.i = {}
+let s:search_tools.i.command = 'findstr'
+let s:search_tools.i.default_opts = ['/RSN']
+let s:search_tools.i.recursive_opt = []
+let s:search_tools.i.expr_opt = []
+let s:search_tools.i.fixed_string_opt = []
+let s:search_tools.i.default_fopts = []
+let s:search_tools.i.smart_case = []
+let s:search_tools.i.ignore_case = ['/I']
+
 function! SpaceVim#mapping#search#grep(key, scope) abort
   let cmd = s:search_tools[a:key]['command']
   let opt = s:search_tools[a:key]['default_opts']
diff --git a/autoload/SpaceVim/mapping/space.vim b/autoload/SpaceVim/mapping/space.vim
index 9c6dbd981..4d002a450 100644
--- a/autoload/SpaceVim/mapping/space.vim
+++ b/autoload/SpaceVim/mapping/space.vim
@@ -273,6 +273,26 @@ function! SpaceVim#mapping#space#init() abort
         \ 'Background search cursor words in project with rg', 1)
   call SpaceVim#mapping#space#def('nnoremap', ['s', 'r', 'J'], 'call SpaceVim#plugins#searcher#find(expand("<cword>"), "rg")',
         \ 'Background search cursor words in project with rg', 1)
+
+  " findstr
+  let g:_spacevim_mappings_space.s.i = {'name' : '+findstr'}
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'b'], 'call SpaceVim#mapping#search#grep("i", "b")', 'search in all buffers with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'B'], 'call SpaceVim#mapping#search#grep("i", "B")',
+        \ 'search cursor word in all buffers with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'd'], 'call SpaceVim#mapping#search#grep("i", "d")', 'search in buffer directory with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'D'], 'call SpaceVim#mapping#search#grep("i", "D")',
+        \ 'search cursor word in buffer directory with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'p'], 'call SpaceVim#mapping#search#grep("i", "p")', 'search in project with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'P'], 'call SpaceVim#mapping#search#grep("i", "P")',
+        \ 'search cursor word in project with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'f'], 'call SpaceVim#mapping#search#grep("i", "f")',
+        \ 'search in arbitrary directory  with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'F'], 'call SpaceVim#mapping#search#grep("i", "F")',
+        \ 'search cursor word in arbitrary directory  with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'j'], 'call SpaceVim#plugins#searcher#find("", "findstr")',
+        \ 'Background search cursor words in project with findstr', 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['s', 'i', 'J'], 'call SpaceVim#plugins#searcher#find(expand("<cword>"), "findstr")',
+        \ 'Background search cursor words in project with findstr', 1)
   " pt
   let g:_spacevim_mappings_space.s.t = {'name' : '+pt'}
   call SpaceVim#mapping#space#def('nnoremap', ['s', 't', 'b'], 'call SpaceVim#mapping#search#grep("t", "b")', 'search in all buffers with pt', 1)
diff --git a/autoload/SpaceVim/plugins/flygrep.vim b/autoload/SpaceVim/plugins/flygrep.vim
index 0412a2156..3e46abf0d 100644
--- a/autoload/SpaceVim/plugins/flygrep.vim
+++ b/autoload/SpaceVim/plugins/flygrep.vim
@@ -68,7 +68,11 @@ function! s:get_search_cmd(expr) abort
   elseif !empty(s:grep_files) && type(s:grep_files) == 1
     let cmd += [a:expr] + [s:grep_files]
   elseif !empty(s:grep_dir)
-    let cmd += [a:expr] + [s:grep_dir]
+    if s:grep_exe == 'findstr'
+      let cmd += [s:grep_dir] + [a:expr] + ['%CD%\*']
+    else
+      let cmd += [a:expr] + [s:grep_dir]
+    endif
   else
     let cmd += [a:expr] + s:grep_ropt
   endif
@@ -535,6 +539,11 @@ function! SpaceVim#plugins#flygrep#open(agrv) abort
     let s:grep_dir = ''
   endif
   let s:grep_exe = get(a:agrv, 'cmd', s:grep_default_exe)
+  if empty(s:grep_dir) && empty(s:grep_files) && s:grep_exe == 'findstr'
+    let s:grep_files = '*.*'
+  elseif s:grep_exe == 'findstr' && !empty(s:grep_dir)
+    let s:grep_dir = '/D:' . s:grep_dir
+  endif
   let s:grep_opt = get(a:agrv, 'opt', s:grep_default_opt)
   let s:grep_ropt = get(a:agrv, 'ropt', s:grep_default_ropt)
   let s:grep_ignore_case = get(a:agrv, 'ignore_case', s:grep_default_ignore_case)
diff --git a/wiki/cn/Following-HEAD.md b/wiki/cn/Following-HEAD.md
index d2a281e13..3a3b370bc 100644
--- a/wiki/cn/Following-HEAD.md
+++ b/wiki/cn/Following-HEAD.md
@@ -10,7 +10,8 @@
 - Add layer option for autocomplete layer ([#2236](https://github.com/SpaceVim/SpaceVim/pull/2236))
 - Add function for customizing searching tools ([#2235](https://github.com/SpaceVim/SpaceVim/pull/2235))
 - Add `lang#scheme` layer ([#2248](https://github.com/SpaceVim/SpaceVim/pull/2248))
-- Add log for bootstrap function ([#2248](https://github.com/SpaceVim/SpaceVim/pull/2323))
+- Add log for bootstrap function ([#2232](https://github.com/SpaceVim/SpaceVim/pull/2323))
+- Add findstr support in flygrep ([#2344](https://github.com/SpaceVim/SpaceVim/pull/2344))
 
 ### 功能改进
 
diff --git a/wiki/en/Following-HEAD.md b/wiki/en/Following-HEAD.md
index d56f6729d..8c9276dcc 100644
--- a/wiki/en/Following-HEAD.md
+++ b/wiki/en/Following-HEAD.md
@@ -10,7 +10,8 @@ The next release is v1.0.0.
 - Add layer option for autocomplete layer ([#2236](https://github.com/SpaceVim/SpaceVim/pull/2236))
 - Add function for customizing searching tools ([#2235](https://github.com/SpaceVim/SpaceVim/pull/2235))
 - Add `lang#scheme` layer ([#2248](https://github.com/SpaceVim/SpaceVim/pull/2248))
-- Add log for bootstrap function ([#2248](https://github.com/SpaceVim/SpaceVim/pull/2323))
+- Add log for bootstrap function ([#2232](https://github.com/SpaceVim/SpaceVim/pull/2323))
+- Add findstr support in flygrep ([#2344](https://github.com/SpaceVim/SpaceVim/pull/2344))
 
 ### Improvement