diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 732362d..4f91959 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -296,6 +296,9 @@
 " Cap'n Proto
 au BufNewFile,BufRead *.capnp			setf capnp
 
+" Cgdb config file
+au BufNewFile,BufRead cgdbrc			setf cgdbrc
+
 " C#
 au BufNewFile,BufRead *.cs,*.csx		setf cs
 
diff --git a/runtime/ftplugin/cgdbrc.vim b/runtime/ftplugin/cgdbrc.vim
new file mode 100644
index 0000000..46cf135
--- /dev/null
+++ b/runtime/ftplugin/cgdbrc.vim
@@ -0,0 +1,21 @@
+" Vim filetype plugin file
+" Language:             cgdbrc
+" Maintainer:           Wu, Zhenyu <wuzhenyu@ustc.edu>
+" Documentation:        https://cgdb.github.io/docs/Configuring-CGDB.html
+" Latest Revision:      2024-04-09
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:save_cpoptions = &cpoptions
+set cpoptions&vim
+
+let b:undo_ftplugin = 'setl com< cms<'
+
+setlocal commentstring=#%s
+setlocal comments=:#
+
+let &cpoptions = s:save_cpoptions
+unlet s:save_cpoptions
diff --git a/runtime/syntax/cgdbrc.vim b/runtime/syntax/cgdbrc.vim
new file mode 100644
index 0000000..1ace370
--- /dev/null
+++ b/runtime/syntax/cgdbrc.vim
@@ -0,0 +1,16 @@
+" Vim syntax file
+" Language:             cgdbrc
+" Maintainer:           Wu, Zhenyu <wuzhenyu@ustc.edu>
+" Documentation:        https://cgdb.github.io/docs/Configuring-CGDB.html
+" Latest Revision:      2024-04-09
+
+if exists('b:current_syntax')
+  finish
+endif
+let b:current_syntax = 'cgdbrc'
+
+runtime! syntax/vim.vim
+
+syn region cgdbComment		start="^\s*\#" skip="\\$" end="$" contains=@Spell
+
+highlight default link cgdbComment Comment