1, when using a credit card, pay attention to protect the password to prevent it from being leaked, and always keep an eye on the card-using program to prevent the card from being copied. If you don't need to use a credit card to brush big items, it's just daily consumption. It is recommended to set a maximum amount every month to prevent your credit card from being stolen.

2. If you don't need to use a credit card to brush big items, it's just daily consumption. It is recommended to set a maximum monthly limit to prevent accidental loss and theft of credit cards.

3. In the case that the current regulations of the bank have not changed, the password is still cancelled and the signature is used for consumption. In case of theft, at least the bank clearly promises to be responsible, except for the merchants.

4. If the overdraft limit of the credit card in hand is high, and it is often unnecessary in life, it is suggested to adjust and reduce the overdraft limit of the credit card in hand. First, in case of theft, the loss is small. Second, the amount that banks are willing to take responsibility is limited, and the maximum compensation amount of many banks does not exceed 30,000.