Because the paper statement clearly States the credit limit, the repayment amount in this period, the bill amount in the previous period, and the transaction details in a transaction cycle, including the time of each transaction and the specific transaction description. Through these basic information, criminals can easily know your work unit, income, personal preferences, consumption level and places where you often shop, and all your personal information is exposed, so it is best to cancel the paper bill after applying for the electronic bill. If you need to cancel the paper bill, you can call the credit card customer service hotline to apply, or you can handle it yourself through the "Agricultural Bank Credit Card" online banking, mobile banking and WeChat.