Yes. You can use WeChat change to pay back credit cards. The handling fee for using WeChat to pay back credit cards is 0.1 yuan, and the minimum handling fee is 0.1 yuan. If you are repaying your own credit card, the single limit is 50,000 yuan and the monthly limit is 500,000 yuan. If you are repaying someone else's credit card, the single daily limit is 10,000 yuan. There is no monthly repayment limit. The repayment steps are: Open WeChat, click "Me", then click "Wallet", on the wallet page, click "Change", then click "Withdrawal". On the withdrawal page, select the bank card to be repaid, enter the withdrawal amount (cannot exceed the change balance), click "Confirm", enter the WeChat payment password, and complete the withdrawal operation.