2. Find and click the "coupon" or "my discount" option on the homepage or personal center page.

3. Find the 7-day interest-free coupon for the loan in the coupon list, and then click Enter.

4. Fill in and select the loan on the loan application page to ensure that the conditions for using the interest-free coupon are met.

5. Before submitting the loan application, please choose to use the 7-day interest-free coupon of the loan in the coupon option.