A low merchant service score affects the reputation of the store. The improvement of Douyin's store reputation score is comprehensively evaluated from multiple dimensions, such as delivery speed, pre-sales and after-sales consultation, praise rate, and sales volume in the past 30 days. Therefore, to quickly improve the reputation score of Douyin's store, it is necessary to take all dimensions into consideration. S orders can certainly start to improve. After testing, a new store account can increase its reputation score to above 4.8 points with 100-150 sales. Old store accounts need more sales to reach the corresponding score.