There are three best ways: first, set a password, but the password should not be too simple or too complicated; Second, when handling business, it is best to go through a fingerprint-related procedure; Another is that it is best to bind to the mobile phone after going through the relevant procedures; In this way, if there is any movement in the funds of the card number, the mobile phone can receive the message immediately. Finally, after processing, the card can only be used by itself. If others want to borrow it, they must ask about the situation before making a decision. After making a decision, you'd better get the amount in your card yourself, so it's not convenient to lose your card. Don't let the people around you know when you take it, let alone let the person who borrowed your card know that it is withdrawing money. I wonder if this can help you solve it?