There are 20 grades in total. Star rating (1 star, 2 stars, 3 stars, 4 stars, 5 stars), Diamond rating (1 diamond, 2 diamonds, 3 diamonds, 4 diamonds, 5 diamonds), Blue Crown rating (1 blue crown, 2 blue crowns, 3 blue crowns, 4 blue crowns, 5 blue crowns), Gold Crown rating (1 gold crown, 2 gold crowns, 3 gold crowns, 4 gold crowns, 5 gold crowns). The rating of Taobao stores is based on user reviews.

Evaluation points: Reviews are divided into three categories: "good reviews", "medium reviews", and "bad reviews", and each type of review corresponds to one point.

Evaluation scoring: The calculation method of evaluation points is as follows: "good reviews" add one point, "medium reviews" get zero points, and "bad reviews" deduct one point.

Credit: The evaluation points of members are accumulated and displayed on the Taobao website.

Evaluation validity period: refers to 15 days after the order transaction is successful.