The development of the Internet has promoted the online sales of domestic cosmetics, and the new crown epidemic since 2020 has deepened this trend. However, the online cosmetics boom is full of crises on the surface. Inadequate supervision, safety issues, and difficulties in safeguarding rights have triggered social discussions. It is urgent to rectify the online cosmetics industry. The team conducts a horizontal comparison of existing domestic and foreign data and industry operation differences, while paying attention to the vertical development of domestic cosmetics. In practice, the method of online investigation is mainly used and group interviews are supplemented. Investigations are carried out around the phenomenon of online cosmetics fraud, in order to in‐depth study of its causes and effects, and practically put forward some feasible solutions to restore a clear world of Internet cosmetics sales.