Debit card: Under normal circumstances, you only need to prepare a valid personal ID card to apply for a Bank of Communications debit card. If you are a minor, you need to prepare your ID card, household registration book and legal guardian ID card. To apply for a bank card for transportation in different places, in addition to the ID card, you must also provide a local work certificate or residence certificate. Credit card: To apply for a Bank of Communications credit card, you need to prepare a valid personal ID card, work unit information and personal credit report.