One-click card locking means that the credit card is locked, the card limit will become 0, and the card swiping and transaction will be suspended. One-button card locking means that the credit card is locked and the card limit will become 0. Credit card transactions and online transactions cannot be conducted at this time; This function is mainly to protect the property safety of customers, and many banks have launched this function. This setting can prevent credit cards from being stolen. Therefore, one-button locking of credit card means that the credit card is locked, the card limit will become 0, and the credit card and transaction will be suspended. If the credit card is detained inexplicably, you can lock the card with one button and freeze the credit card to avoid causing greater losses to individuals.