Laparoscopic surgery is an application of electronic, optical and video technologies in the clinical surgery discipline by using the mirror to take the organs in the pelvic and abdominal cavities on the surveillance screen through an illuminated camera system, and the surgeon manipulates the surgical instruments outside the abdominal cavity and looks directly at the surveillance screen. What are the advantages of laparoscopic surgery? 1, the operation is less traumatic, the postoperative pain is light, generally patients do not need pain medication after surgery. 2. Quick recovery after surgery. The next day after surgery, semi-liquid food can be eaten, and can get out of bed, generally 3~5 days after surgery can be discharged, a week after resuming normal life and work. 3. No obvious scars on the abdomen. The scars of traditional surgery are in the shape of long lines, which affect the appearance. 4. The hospitalization time is short and the cost is not substantially higher than that of traditional surgery, and some surgeries even reduce the cost. 5. No intestinal adhesions and other undesirable complications after surgery. Brief procedure of laparoscopic surgery: 1, 1 cm incision at the umbilical port, establishment of artificial pneumoperitoneum (carbon dioxide injection), 2, placement of mirror observation, access to instruments for exploration, 3, 2~3 0.5~1 cm operation holes in the lower abdomen, tissue separation and incision, 4, microscopic hemostasis, suturing, knotting, 5, specimen removal, 6, flushing, venting, treatment of perforation holes. What diseases can be treated by gynecological laparoscopic surgery? Diagnosis of various difficult diseases: such as acute abdominal pain, chronic pelvic pain, uterine perforation, infertility, dysmenorrhea, etc. Treatment: various types of ectopic pregnancy, conservative treatment of ectopic pregnancy (preservation of fallopian tubes), pelvic adhesions, endometriosis, benign ovarian teratoma, ovarian cysts, uterine fibroids, various pelvic masses, tubal sterilization, tubal recanalization, etc. In recent years, laparoscopic instruments and surgical techniques have developed rapidly and have been used for the treatment of early cervical cancer, endometrial cancer and even some ovarian cancer.