It is wrong to deduct more than 300 from the credit card bill of China Everbright Bank within 400. According to the relevant public information, the credit card bill is less than 400, and more than 300 has not been deducted, which is a bill error. When the cardholder finds that the credit card statement is wrong or there are too many unconfirmed consumption accounts, he should immediately notify the issuing bank by phone or in writing, and indicate the name, account number, error type, date, amount and relevant evidence.