Smart coupons for Xinke Chuda can be set up by following the steps below:

1. Log in to your Xinke Chuda account and select "Coupon Management" in the left menu bar.

2. Click the "Create Coupon" button and select the type of coupon you want to create, such as discount coupons, instant discount coupons, full discount coupons, etc.

3. Fill in your coupon information on the coupon editing page, including coupon name, coupon description, coupon amount, usage conditions, etc.

4. Set the coupon usage rules according to your needs, such as coupon validity period, usage scenarios, number of uses, etc.

5. Save the coupon settings, and then copy your coupon code for use on your website.

Please note: After setting up the coupon, please make sure to publish and use your coupon code correctly on your website. This will ensure that your customers can successfully obtain the preferential price of the coupon.