1 and 5 years, the customer transaction records of all banks in Chinese mainland are kept for 5 years, so the transaction data during this period can be inquired by banks, but if it exceeds 5 years, banks are likely to destroy it. If customers need to make inquiries in person, they need to bring their bank card (passbook) to the local bank for independent inquiry. If there are special circumstances, it is necessary to explain the specific situation with the bank, and the bank can make an inquiry only after reviewing it.

2. If you use online banking or mobile banking, you can only find the transfer records for three years at most, and you can't find the records for more than three years. If the user is sure to check all the transfer records of the card, he must go to the bank outlet to check.

3. Financial institutions shall, in accordance with the principles of safety, accuracy, integrity and confidentiality, properly keep customer identity data and transaction records, ensure that every transaction can be fully copied, and provide the necessary information for identifying customers, monitoring and analyzing transactions, investigating suspicious transaction activities and investigating money laundering cases.

1. You can directly carry your ID card and bank card to the bank outlet to handle the inquiry business directly. If you don't know the specific process, you can ask the customer service staff in the bank lobby, and they will tell you the specific process.

2. If online banking has been enabled on the bank card, you can also directly log in to online banking to inquire about recent transaction records. After logging in, directly select the time period to query, and you can see the specific expenditure and income.

3. You can also check the transaction records by installing a mobile app in your mobile phone, but you need to open mobile banking in advance.

Generally, there is no charge for inquiring about transaction details at bank outlets. When inquiring, you must choose the working hours of the bank to avoid a trip in vain. Generally, the borrower is required to print the bank running water, that is, the transaction record of the bank card, when handling the mortgage. For individuals, it is necessary to buy a house with a loan. A well-run bank loans quickly. After all, everyone likes users with high incomes. The requirement of mortgage for running water is 2 to 3 times of the monthly repayment amount, so it is very useful to keep a good bank running water.

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