Legal analysis: Lending a bank account is an illegal act in violation of financial management regulations. The people's court shall, in addition to collecting the illegal income of the lending account according to law and may impose a fine in accordance with relevant regulations, also investigate the corresponding civil liability of the lender according to different circumstances.

Legal basis: Opinions on Several Issues Concerning the Application of the Civil Procedure Law Article 52 If a business introduction letter, a special seal for a contract, a blank contract with a seal or a bank account number is borrowed, the lending unit and the borrower shall be joint litigants.

Article 65 of the Measures for the Administration of RMB Bank Settlement Accounts: Non-operating depositors who lease or lend bank settlement accounts shall be given a warning and fined 1 1,000 yuan; If a commercial depositor commits the above acts, he shall be given a warning and fined between 5,000 yuan and 30,000 yuan.