There may be the following situations:

1, bank cards cannot be processed without valid certificates or expired certificates, and the number of debit cards exceeds the limit and is under the age of 16. No guardian. In this case, it is impossible to apply for a bank card. The user does not carry valid certificates, such as ID cards. This situation can't be handled.

2. If the certificate expires and the certificate is not within the validity period, you cannot apply for a bank card.

3. The number of bank cards and debit cards processed exceeds the limit.

4. ID card is damaged. The information in the ID card contradicts the information in the bank detection system.