What should I do if my mobile phone is always bombarded by SMS verification code?

You can intercept it with the mobile phone housekeeper app. Take Xiaomi 8 mobile phone as an example. The operation is as follows:

1. Open the mobile phone housekeeper and select the harassment interception option, as shown below.

2. After entering the harassment interception, select the setting in the upper right corner, as shown below.

3. After entering the settings, select SMS interception rules, as shown in the figure below.

4. After entering, select a custom interception keyword, as shown below.

5. After entering the custom interception keyword, select Add below.

6. Enter the keyword verification code and click OK, as shown below.

7. Go back to step 4 and select SMS from strangers.

8. Set the SMS interception rules of strangers to intercept, as shown below.