If the menstruation is not clean and the blood is brown, there may be atrophy of the corpus luteum, which is related to the hormone level in the body, and it is necessary to carry out hormone six tests, and according to the results of the test, the corresponding treatment will be carried out. There may also be endometrial abnormalities, such as endometrial polyps, which are caused by overgrowth of the uterine lining and can be single or multiple, with diameters ranging from a few millimeters to several centimeters, and can be classified as non-tibial or tibial. Clinical manifestations include intermenstrual bleeding, excessive menstruation, and prolonged menstrual periods, irregular bleeding, for a single, smaller endometrial polyps often have no symptoms, only in the ultrasound, diagnostic scraping or after the removal of the uterus specimens detected by autopsy, according to the patient’s symptoms, gynecological examination and ultrasonography can be made a preliminary diagnosis, the definitive diagnosis of the need for hysteroscopy to remove for pathologic examination.