With the aggravation of the aging society and the further improvement of people's life quality，the incidence of POP and the rate of consultation have gradually increased.Middle pelvic defect is a defect in the apical support structure of the vagina.It is characterized by uterine or vaginal vault prolapse，enterocele and vault herniation，and is a common type in POP.There are many surgical methods for the treatment of pelvic defects，mainly including sacrocolpopexy（SC）、uterosacral ligament suspension（USLS）、sacrospinous ligament fixation（SSLF），Manchester-Fothergill procedure（MF），and transvaginal mesh surgery（TVM），etc.This paper aims to make a comprehensive analysis and comparison of various surgical methods for middle pelvic defects.