No need. Only the cardholder or the applicant needs to sign, and the credit record is only related to the cardholder. To apply for a credit card, it is not necessary for both husband and wife to jointly sign it, and the cardholder can sign it himself. Article 1089 of the Civil Code: At the time of divorce, the joint debts of husband and wife shall be paid off jointly. If the joint property is insufficient to pay off or the property belongs to each other, it shall be paid off by mutual agreement; If the agreement fails, the people's court shall make a judgment.