Abstract:Pelvic floor dysfunction disease has a high incidence in women after pregnancy.With women own posture changes in this special physiological period, pelvic biomechanics will also change, so that mechanical changes will bring corresponding diseases.This paper discusses the relationship between dynamic changes and the occurrence of functional disorders,summarizes the influence of the changes in abdominal pelvic mechanics on the pelvic floor after pregnancy, and discusses the high risk factors of pelvic floor dysfunction.We hope to provide the optimal treatment plans and methods for pelvic floor rehabilitation treatment in the future.