Chocolate cysts, also called endometriotic cysts, rupture with severe abdominal pain, and the outflow of cystic fluid can cause abdominal implantation, which can cause implantation on the posterior wall of the uterus, mesentery, or rectum, resulting in other conditions, such as menstrual cramps. Drugs to prevent the recurrence of cysts, such as goserelin subcutaneous injection once a month for 3-6 months, can also be given drugs orally, such as progesterone, analgesic capsules and other oral analgesic capsules. Three months after the operation, it is recommended to review the ultrasound, if the reappearance of chocolate cysts, it is recommended to perform chocolate cyst puncture or laparoscopic surgery.