Adolescent Idiopathic Scoliosis is a three-dimensional deformity of the spine that occurs in adolescents aged 10 years and older. Brace treatment is currently one of the main conservative treatments for adolescent idiopathic scoliosis. Especially for mild AIS who is immature, brace treatment is often preferred. AIS brace treatment is currently widely used worldwide, and its effect has been confirmed. Research on the influence factors of AIS brace treatment outcome is now a hot topic. This paper reviews and summarizes the research of previous people in recent years.