diff --git a/docs/accessories/peripherals/waveshare-35-display.md b/docs/accessories/peripherals/waveshare-35-display.md
index 718bb4821..6e81a22aa 100644
--- a/docs/accessories/peripherals/waveshare-35-display.md
+++ b/docs/accessories/peripherals/waveshare-35-display.md
@@ -21,7 +21,7 @@ sidebar_position: 10
 [*] Enable Waveshare 3.5 inch Display on SPI1
 ```
 
-## 配置屏幕
+## 配置显示
 
 - 备份 /etc/X11/xorg.conf.d/20-modesetting.conf
 
@@ -42,6 +42,18 @@ EndSection
 
 需要检查一下具体设备是 /dev/fb0 还是 /dev/fb1
 
+## 配置触摸
+
+在 /etc/X11/xorg.conf.d 下添加一个配置文件 99-touchscreen-calibration.conf，内容如下：
+
+```
+Section "InputClass"
+    Identifier "calibration"
+    MatchProduct "ADS7846 Touchscreen"
+    Option "TransformationMatrix" "-1 0 1 0 1 0 0 0 1"
+EndSection
+```
+
 ## 重启系统
 
 ```
diff --git a/i18n/en/docusaurus-plugin-content-docs/current/accessories/peripherals/waveshare-35-display.md b/i18n/en/docusaurus-plugin-content-docs/current/accessories/peripherals/waveshare-35-display.md
index d409777cd..4ba4a138a 100644
--- a/i18n/en/docusaurus-plugin-content-docs/current/accessories/peripherals/waveshare-35-display.md
+++ b/i18n/en/docusaurus-plugin-content-docs/current/accessories/peripherals/waveshare-35-display.md
@@ -14,13 +14,14 @@ Connect the screen with the development board as follows:
 
 - after entering rsetup, enter the device tree management interface.
 <!-- - after entering rsetup, follow [Device Tree Settings](/radxa-os/rsetup/devicetree) to enter the device tree management interface. -->
+
 - Enable the overlay of Waveshare 3.5 inch Display
 
 ```
 [*] Enable Waveshare 3.5 inch Display on SPI1
 ```
 
-## Config the screen
+## Config the display
 
 - backup /etc/X11/xorg.conf.d/20-modesetting.conf
 
@@ -41,6 +42,18 @@ EndSection
 
 please check whether the device is /dev/fb0 or /dev/fb1.
 
+## Configure Touch
+
+Add a configuration file 99-touchscreen-calibration.conf under /etc/X11/xorg.conf.d with the following contents:
+
+```
+Section "InputClass"
+    Identifier "calibration"
+    MatchProduct "ADS7846 Touchscreen"
+    Option "TransformationMatrix" "-1 0 1 0 1 0 0 0 1"
+EndSection
+```
+
 ## Reboot the system
 
 ```