Customer identification mainly includes the customer's name, gender, nationality, occupation, telephone number, ID number, address of residence or work unit and other information that can prove the customer's identity. The most basic thing of customer identification is to be true, effective and complete. You should know the true identity of the customer, understand the purpose and nature of the transaction between the customer and you, check and register effectively after the customer has finished these things, and do not provide services for unidentified customers.