A son can cancel his father's credit card. Family members can cancel the bank card on their behalf, but only if the cardholder cannot reach the bank for reasonable reasons and must entrust others, they can entrust their family members or others to handle the cancellation procedures of the bank card and issue a power of attorney. When handling, the trustee shall carry the identity documents of the entrusting party and the trustee, the bank card to be cancelled and the power of attorney. Generally speaking, if you want to cancel your bank card, you can only do it yourself.

Function of credit card

The main function of credit card is overdraft consumption. When users are in urgent need of money, credit cards can alleviate temporary economic pressure. Compared with cash consumption, credit card is convenient to carry, which reduces the spread of bacteria caused by many people touching paper money. Discounts save money. Banks will generally cooperate with merchants to launch various preferential promotions to reduce user expenses. Accumulate user word-of-mouth points. Frequent credit card swiping can accumulate personal credit and facilitate all kinds of business.