diff --git a/content/en/docs/Virtualization/best-practices.md b/content/en/docs/Virtualization/best-practices.md
index 3cf91d533b3a1fdf5cceedabb28a8cd043f258d4..0a804d4e89984d3944597fab17e0f25b99785574 100644
--- a/content/en/docs/Virtualization/best-practices.md
+++ b/content/en/docs/Virtualization/best-practices.md
@@ -490,7 +490,8 @@ Currently, openEuler20.09 provides the libtpms and swtpm sources. You can run th
         ...
     </domain>
     ```
-
+    >![](public_sys-resources/icon-note.gif) **NOTE:**   
+    > Currently, the VM trusted boot feature of openEuler20.09 aarch64 version does not support the ACPI feature. Therefore, do not configure the ACPI feature for VMs. Otherwise, the vTPM device cannot be identified after the VM is started.
 2.  Create the VM.
 
     ```
diff --git "a/content/zh/docs/Virtualization/\346\234\200\344\275\263\345\256\236\350\267\265.md" "b/content/zh/docs/Virtualization/\346\234\200\344\275\263\345\256\236\350\267\265.md"
index 91c6d929c48599fc90f335bf1f516e5971d10635..96224e2ce40742016d128dc4ddc51e723f49034d 100644
--- "a/content/zh/docs/Virtualization/\346\234\200\344\275\263\345\256\236\350\267\265.md"
+++ "b/content/zh/docs/Virtualization/\346\234\200\344\275\263\345\256\236\350\267\265.md"
@@ -494,6 +494,8 @@ swtpm提供了一个可集成到虚拟化环境中的TPM仿真器（TPM1.2和TPM
         ...
 	</domain>
     ```
+    >![](public_sys-resources/icon-note.gif) **说明：**   
+    >目前openeuler20.09 aarch64版本虚拟机可信启动特性暂不支持ACPI特性，所以虚拟机请勿配置ACPI特性，否则启动虚拟机后无法识别vTPM设备。  
 
 2.  创建虚拟机。