Choosing appropriate mouse acne models for different experimental purposes is very important for studying the pathogenesis of acne and evaluating the effectiveness of anti-acne drugs. According to the modeling principle, is the mouse acne model classified as Propion? Chemical stimulation? male? 3 kinds of hormones? In order to facilitate the selection of suitable mouse acne models in acne research, use the classification of mouse acne models as the entry point, and determine its modeling method, scope, advantages and disadvantages?