How do Huawei p30 mobile phones set up SMS rejection?

Huawei mobile phone can't refuse SMS, but it can choose to intercept it. Open the mobile phone housekeeper, enter harassment interception, click the interception rules below to find and enter the blacklist, click Add below, and add the number of the SMS you want to reject. You can select from the SMS list or enter it manually. After setting, the SMS sent by this number will be intercepted by the mobile phone in the future, and you won't see it in the SMS list.