How does China Construction Bank check the SMS prompt?

Can't query, can only handle SMS reminder business. Counter opening process:

Bring valid identity documents and bank cards to the local bank outlets;

Fill in a business application form, select "SMS Reminder" in the business application column, and attach the commonly used mobile phone number to bind and receive SMS;

Submit bank card, original ID card and business application form;

Enter the mobile phone number and verification code as required;

You can start the SMS reminder service.