Surgery is necessary for a ruptured chocolate cyst. Chocolate cysts are ectopic endometrial growth in the ovary, with the menstrual cycle bleeding cysts with stale blood; can gradually increase in size, sometimes around the time of menstruation or menstruation rupture, the mucus inside the cysts into the abdominal cavity to form an acute abdominal syndrome, serious cases of diffuse peritonitis life-threatening. Chocolate cyst rupture after diagnosis needs active surgical treatment, the rupture of the cyst, the cyst outflow mucus suction, rinse clean pelvic and abdominal cavity; and then peel off the ovarian chocolate cyst cyst wall, the ovary to give repair, to avoid bleeding. After the operation, it is important to prevent infection; rest in bed, not to get out of bed too early; no pelvic bath within one month, avoid sexual intercourse; strengthen nutrition, promote the recovery of the body. Chocolate cysts are prone to recurrence, after surgery, leuprolide acetate, goserelin acetate and other drugs can be used for 4 to 6 months to control recurrence. Chocolate cysts rupture more abdominal pain obvious, symptoms need to consult a doctor in time, check the diagnosis and follow the physician’s treatment program.