With regard to the working capital loans granted by companies from various banks, the interest paid after the advance according to the loan amount, the interest rate and the loan period at the end of the year may be included in the deduction before tax. But we must pay attention to the following three conditions: firstly, we must deliver the relevant loan contract or loan receipt, secondly, the book must actually reflect the flow and use of the relevant loan funds, thirdly, the relevant loan funds must really be used for the company's working capital.