Legal analysis: if the payment is overdue or fails to be paid after two reminders, the bank will sue the parties. First of all, after repeated dunning, if the parties still do not repay, they will file a civil lawsuit with the court. After the people's court hears the case, if the parties still fail to repay the loan, they can transfer the case to the public security organ for investigation and formally establish it as a criminal case. After investigation, the public security organ will transfer the case to the procuratorate for public prosecution.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 667 A loan contract is a contract in which the borrower borrows money from the lender, repays the loan at maturity and pays interest.

Article 668 A loan contract shall be in written form, unless otherwise agreed between natural persons. The contents of a loan contract generally include terms such as loan type, currency, purpose, amount, interest rate, term and repayment method.