No.

No interest will accrue after the credit card is written off, and the interest will naturally not be reduced.

A credit card is a credit certificate issued by a commercial bank or credit card company to consumers with qualified credit. The form of a credit card is a card with the name of the issuing bank, validity period, number, cardholder name, etc. printed on the front. Consumers holding credit cards can go to special commercial departments or make purchases, and then the bank will make settlements with merchants and cardholders. Cardholders can overdraft within the prescribed limit.