If the shop rating falls below 4.5, it hurts traffic.
Tips
usage
On Taobao/Tmall, 店铺评分 is a weighted score across three dimensions: 描述相符 (item-matches-description), 服务态度 (service attitude), 物流服务 (logistics). A drop of 0.1 below the category baseline can kick a shop out of search results.