Uterine enlargement in the clinical most common of the following reasons: First, is due to chronic inflammation of the uterine body, so that the stimulation of the uterine muscle becomes hypertrophied, the uterine body is also enlarged, this situation clinically need anti-inflammatory treatment, but the uterus can seldom be restored to its original size, as long as the clinical symptoms disappear on it. Secondly, uterine enlargement is due to adenomyosis caused by endogenous endometriosis, which tends to make the uterus enlarged, and the uterus is particularly full, and the patient will be accompanied by progressively aggravated dysmenorrhea, increased menstrual flow, and have a history of infertility. Therefore, it is best to go for a detailed examination of the enlarged uterus, which, combined with the clinical findings, is usually not difficult to confirm the diagnosis.