1. Give priority to coupons with large discounts.
2. Under the same preferential amount, the coupons with shorter maturity are preferred.
3. Use at most one coupon of the same type for the same order.
4. Different types of coupons can be superimposed.
5. Up to 3 coupons can be used for the same order, and up to 4 coupons can be used every day.
Announcement on Resuming Preventive Health Examination (Health Certificate)