Laparoscopy in gynecology: 1. Gynecologic emergency abdominal diseases: timely diagnosis and treatment are possible, such as ectopic pregnancy, ruptured corpus luteum, acute pelvic inflammation and pelvic abscess, and ovarian cyst torsion. Jiang Bing, Department of Gynecology, Linyi County People’s Hospital 2. Benign gynecologic tumors: mainly simple ovarian cysts, benign mature teratomas, and tubal tract cysts. Laparoscopic surgery should be the preferred method. 3.Endometriosis: laparoscopy is the gold standard for endometriosis diagnosis, the basis for rAFS staging and the best treatment route. 4, chronic pelvic pain (CPP): laparoscopy is the best way to make a clear diagnosis, and 80% of CPP can be relieved by microscopic treatment 5, pelvic inflammatory disease (PID): PID used to be a relative contraindication to laparoscopy, but now it is believed that laparoscopy can be performed for either acute or chronic PID.