Legal analysis: you can apply for suspension of credit card in prison, also called suspension of credit card, but you need to apply to the bank. Whether the bank can agree or not is the key. However, if the cardholder goes to jail and applies to suspend the credit card, the bank will decide whether to agree or not according to his specific situation.

Legal basis: Article 412 of the Civil Code of People's Republic of China (PRC), if the debtor fails to perform the due debts or realize the mortgage right according to the agreement of the parties, resulting in the mortgaged property being sealed up by the people's court according to law, the mortgagee has the right to collect the natural fruits or legal fruits of the mortgaged property from the date of sealing up, unless the mortgagee fails to notify the debtor who should pay off the legal fruits. The fruits specified in the preceding paragraph shall be used as the expenses for collecting fruits first.

Article 244 of the Civil Procedure Law of People's Republic of China (PRC) stipulates that if the person subjected to execution fails to perform the obligations specified in the legal documents according to the notice of execution, the people's court has the right to seal up, detain, freeze, auction or sell off the property that the person subjected to execution should perform the obligations. However, the necessities of life of the person subjected to execution and his dependents shall be retained. The people's court shall make a ruling on taking the measures mentioned in the preceding paragraph.