The steps of laparoscopic surgery for ovarian tumor include the following: 1. after successful anesthesia, the patient is placed in the bladder stone position, the abdominal view is routinely disinfected and the vulva and vagina are sterile towels and catheterized, a small 10mm incision is made at the infraumbilical margin, a pneumoperitoneum needle is punctured into the abdominal cavity, carbon dioxide gas is filled to form an artificial pneumoperitoneum, a 10mm poke card is placed, and based on the microscopic exploration combined with whether the patient is sexually active or not, whether the uterine device is lifted or not is selected; 2. 2. choose the lower abdominal incision according to the operator’s operation habit, make 2 or 3 puncture points and place a 5mm poke card; 3. cut the ovarian cortex to reach the cyst envelope, peel the cyst envelope completely and rinse the wound, close the wound with 2-0 absorbable thread continuously, suture and remodel the ovary, check whether there is active bleeding; 4. send frozen pathology for ovarian tumor as far as possible, according to the situation of frozen pathology and The patient’s condition, including age, fertility requirements, and the integrity of the tumor removed during surgery, will determine the further surgical plan.