It is necessary to cancel the bank card. Although not using for more than six months can be regarded as cancellation, cancellation before six months can reduce many risks. For example, there are many fake bank cards now, and it is possible to create the same bank card as you to spend. Therefore, it is better to cancel in advance. Specifically, you can call the service numbers of various banks, and there will be tips inside; Or take a copy of your ID card and your card to the bank counter, and the counter staff will help you cut off a corner of the card and take it away.