Man Yuele refers to levonorgestrel intrauterine device system, the cause of abdominal pain after going on levonorgestrel intrauterine device system may be a normal physiological phenomenon, or it may be caused by pelvic inflammatory disease or endometritis, the cause of the disease should be clarified first to take appropriate treatment. Treatment methods include general treatment, medication, and physical therapy. Most of the abdominal pain is normal after placing the levonorgestrel intrauterine device (IUD), mainly due to the contraction of the uterus after the IUD, and the stimulation effect of the IUD on the uterine wall. In most cases, the pain will not last long, and can be relieved in 1~2 days. Feeling a slight soreness in the small stomach area, similar to menstruation, can be relieved soon after the surgery through proper rest. If it is caused by pelvic inflammatory disease, the main treatment is antibiotic, usually choose broad-spectrum antibiotics or a combination of drugs, including penicillin, metronidazole and so on. Usually should pay attention to bed rest, pay attention to diet light, give high protein, high calorie, high vitamin food, avoid spicy stimulating food. If endometritis is caused by endometritis, generally endometritis can be used to cure celiac disease pessary, clear band perfusion liquid or oral gynecological inflammation rehabilitation capsule with treatment. You can also use local treatment methods, such as electric ironing, electrocautery, freezing, laser, etc. You can also use local application of drugs and surgical treatment. At the same time, patients should keep the vulva clean, pay attention to the diet should be light. On the levonorgestrel intrauterine device system appear abdominal pain, should be timely consultation, so as not to delay the condition.