It is calculated based on the actual number of orders placed. Returns do not reduce sales. First, Taobao's monthly sales are actually the number of orders placed each month. As long as they are not cancelled midway, they are calculated in the sales. In order to increase sales, customer service will sometimes advise customers to complete the order and then return or exchange it.

Second, some store owners will spend some money to inflate orders, which is actually inflate monthly sales, which will affect sales every month.