In the coupon.

1. First open the Douyin App and click "Me" in the lower right corner.

2. Next, click on the upper right corner to open more functions at the bottom of the sidebar.

3. Finally, click "Coupons" to see the savings coupons.

4. The entrance to the special money-saving card is in the coupon, just click to use it. Douyin is a music and creative short video social software incubated by ByteDance.