Patients with adenomyosis can achieve the purpose of shrinking the uterus by injecting gonadotropin-releasing hormone agonists, also known as GnRHa, which can inhibit the secretion of gonadotropin by the pituitary gland so that there is no menstruation for a short period of time, allowing the endometriosis lesions to shrink and atrophy to achieve the purpose of shrinking the body of the uterus. This kind of drugs are commonly used such as treprostin, leuprolide, etc. And this kind of drugs are interval 28 days to play a shot, generally 4-6 shots in a row, can maintain 4-6 months without menstruation, generally 40-60 days after stopping the drug will resume normal menstruation.