Adenomyosis mainly refers to the glandular body of the normal endometrium, which enters the myometrium of the uterus. The main manifestations are prolonged menstrual periods, excessive menstrual blood flow, and late menstrual dripping. The cause is still unclear, the possible causes are: 1, the endometrial basal cells proliferate, while the endometrium lacks submucosal layer, the basal cells compensatory proliferation, erosion of the myometrium and thus the formation of lesions. 2, multiple abortions to clear the uterus, cesarean section or uterine body surgery, causing damage to the basal layer of the endometrium, endometrium and glands into the basal layer of normal growth and secretion, thus 3, and the body’s high estrogen levels, most patients with adenomyosis after menopause symptoms on their own, when the body’s estrogen levels are very low, into the basal layer of the endometrium atrophy or mucosa, side testimony and estrogen levels are too high.