You can't use it. If you lose your credit card, you must first report it and then reissue it for activation.

There are three ways to activate the credit card:

1. Online banking activation:

logging in to personal online banking; ?

select the credit card menu, click credit card opening, enter the card number and then complete the card opening operation according to the prompts. ?

2. Online activation:

Log in to the bank credit card center page and select "Online Activation" for credit card service;

enter the card number to activate. ?

3. Customer service activation:

Call customer service; ?

enter the card number or ID number for identity verification; ?

set/enter the telephone banking password; ?

enter the "card opening and password service" function and open the card according to the voice prompt.

to sum up, the credit card can be activated through the above methods.

the credit card loss reporting method is as follows:

loss reporting at the bank counter: take my ID card and go to the outlet where the issuing bank belongs to queue up to report the loss. (Note: I need to enter my ID number);

online banking loss reporting: if online banking is enabled on the credit card, you can directly log in to online banking to report the loss;

If the credit card is bound to a third-party payment platform (such as Alipay, WeChat, etc.), these bindings can be released when it is lost;

report the loss by phone: dial the phone number on the back of the credit card and follow the voice prompts to report the loss.

if your credit card is stolen and swiped, please inform the issuing bank in time, inquire about the location of swiping the card, then call the police and wait for the next step, and pay attention to protecting personal information at ordinary times.

conclusion: take good care of your personal credit card. In case of credit card loss, you can temporarily lock the card to report the loss, and then formally report the loss after confirming the loss, and reissue the credit card (note: generally, you need to charge a higher fee for reporting the loss).