Credit card pre-authorization means that when a customer uses a credit card to pay, the merchant will first withhold a certain amount of money from the customer's credit card account to prevent the customer from not paying or returning the goods. This kind of withholding is not actual consumption, but a kind of freeze, that is, the merchant does not actually receive the payment, but only temporarily remains on the customer's account until the merchant completes the transaction or cancels the pre-authorization. The amount will be released.

The operation of credit card pre-authorization is relatively simple. The merchant only needs to enter the pre-authorization amount on the terminal, and the pre-authorization operation can be performed after the customer confirms. If the customer finally confirms the purchase of the item, the merchant will submit an actual deduction request, and after deducting the actual consumption amount in addition to the pre-authorized amount, the balance will be released. If the customer ultimately cancels the transaction or returns the product, the merchant will cancel the pre-authorization and the frozen amount will be refunded within a certain period of time.

Credit card pre-authorization can effectively protect the rights and interests of merchants and play a very good role in risk management. It is a commonly used payment method in certain industries such as hotels, car rentals, travel and other businesses. At the same time, customers also need to note that pre-authorization itself is not consumption and cannot be used to earn bank interest. Therefore, customers should pay attention to controlling the pre-authorization amount of credit cards and the frequency of operations to avoid unnecessary fees.