The bank account number is the bank card number or passbook account number. Including bank debit cards and credit cards. Each card has a corresponding card number, which is the bank account number. There are usually passbooks and cards under the name of the account.

Bank accounts have real-name authentication function. When opening an account in an online virtual bank (such as Alipay), the name and password must be the same, otherwise the bank will not recognize it.

Bank account is the general name of deposit account, loan account and current account opened by customers in the bank. In China, according to regulations, all state organs, organizations, military units, schools, enterprises and institutions must open accounts in banks. According to different purposes, bank accounts can be divided into basic account, special accounts and auxiliary accounts.

In the accounting institutions of bank accounting, in order to ensure the truthfulness, completeness and correctness of account books, subsidiary ledger and general ledger are classified records and reflections on the sources and use of funds caused by banking business and financial activities.

Extended data:

A bank account is a financial account between a financial institution and a bank customer, also known as an account (Hongkong and Macau) or an account (Taiwan Province and Chinese mainland).

Bank accounts can be divided into deposit accounts, credit card accounts or other types of accounts provided by financial institutions. Financial institutions notify customers of transactions in their bank accounts at specific times through bank statements. The account balance at a specific time is the customer's position in a financial institution.

Domestic individuals use checks less, but more enterprises use checks in business transactions. If you sign a check and someone else receives your check and cashes it at the bank, the money will be paid from your checking account. The check you signed is a cash check.

In America, the popularity of checking accounts is much higher. With the popularity of plastic cards (plastic cards, generally referring to debit cards and credit cards in the form of plastic cards), they are gradually replaced by credit cards and debit card payments, and in recent years, they have been divided into market share by emerging mobile payments. In the non-cash payment of daily life in the United States, checks have become less and less used.