How to turn off the promotion SMS of Xiaomi mobile phone

1. Take Xiaomi 9 as an example, open the mobile phone desktop and click to enter SMS, as shown below:

Second, then we can see the promotion here, click to enter, as shown in the following figure:

Third, select the SMS that needs to be closed for promotion and open the home page, as shown below:

Fourth, select the upper right corner of the page and click the button, as shown in the following figure:

Fifth, finally choose to block harassing messages, as shown in the following figure: