Yes. According to the official website of China Merchants Bank, if you have applied for a China Merchants Medical Care Card but do not intend to use it, you can choose to cancel it. However, it should be noted that an annual fee will be incurred if the China Merchants Bank Card is not used after activation. In addition, health care credit cards often come with certain benefits. If you are interested in these benefits but do not want to use the card, you may consider canceling it. Each bank has different rules regarding credit card fees.