Abstract:Laser can be used for incision and hemostasis because of its typical organizational effect,and also can be used for biotic tissues stimulus with specified physiotherapy effect. There are two kinds of energy of laser frequently used in gynecological operation: holmium laser can be used for lesion resection and ablation under the physiological saline hysteroscopes, and carbon dioxide laser can be used for incision and hemostasis during laparoscopic operations.Since the laser has advantages of pinpoint, shallow vertical injuries and narrow side injuries, it can generally be used in gynecological pelvic operations.