diff --git a/qemu.md b/qemu.md
index ffd7cd5..9013c06 100644
--- a/qemu.md
+++ b/qemu.md
@@ -1,4 +1,11 @@
 # ubuntu安装qemu
 ```
 sudo apt install qemu-system-x86 qemu-kvm virt-manager bridge-utils
+```
+
+# 镜像格式转换
+
+```
+# qcow2转换为vmdk
+qemu-img convert -f qcow2 -O vmdk /路径/xx.qcow2 /生成vmdk路径/xx.vmdk
 ```
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