1, buy one get one free. Very ordinary and strong.

2. The second cup is half price. It can be said that it is the most common and best way to promote sales.

3. Send discount coupons. A good little means can often arouse customers' consumption psychology.

4. Direct discount. For example, 20% off the audience and so on.

5. Full reduction and full delivery. It is also a good way to promote sales, but the quantity needs to be calculated and determined.

6, +n yuan to send ... Common are+1 yuan to send cones and so on.

7. Give as much as you buy. Buy as many vouchers as you want.