1. On-site inspection method: On-site inspection method refers to the method of on-site inspection by post-loan inspectors at the lender's business premises, production premises and sales premises. Through on-site inspection, we can understand the lender's operating status, capital flow, financial status and other information, and evaluate the lender's repayment ability.

2. Customer return visit method: Customer return visit method refers to the way that post-loan inspectors contact the lender by telephone or on-site visit to learn about the business situation, repayment situation, repayment willingness and other information.

3. Data analysis method: Data analysis method refers to evaluating the lender's operating status and repayment ability by analyzing the lender's financial statements, bank account running water, tax records and other data. Data analysis can quickly and accurately obtain the lender's information and help post-loan inspectors find problems in time.