The rebate formula usually includes the following:

1. Rebate amount: refers to the cash back amount that can be obtained by shopping on e-commerce platforms such as Taobao and JD.com.

2. Rebate ratio: refers to the ratio of the rebate amount to the actual shopping amount, generally 1:1.

3. Rebate time: refers to the return of the rebate amount within a certain period of time.

4. Rebate amount: refers to the amount of rebate that can be obtained.

5. Rebate conditions: refers to whether e-commerce platforms such as Taobao, Amazon, JD.com, Pinduoduo, etc. support rebates.

6. Rebate rules: refers to the unified regulations of rebate rules of different e-commerce platforms.

It should be noted that the rebate calculation formula may vary due to factors such as platform, product, order volume, etc. Please refer to the rebate rules of the rebate website or platform for specific details.