How much endometrial thickening is needed to scrape the uterus depends on whether the patient is in reproductive age or menopause. Postmenopausal women generally endometrial more than 5 mm need to be examined and treated, women of childbearing age, if menstruation is regular, generally after menstruation endometrial more than 12 mm need to be examined and treated, need to be judged by a professional doctor according to the overall situation of the woman, do not blindly use their own medication. After menopause, the endometrium will gradually shrink. If the endometrium of a menopausal woman is more than 5 mm or there is bleeding, she needs to undergo hysteroscopy and diagnostic curettage to perform endometrial biopsy, and she needs to undergo appropriate surgical treatments, such as endometrial polyp removal, endometrial electrosurgery, or even hysterectomy. The endometrium is thickest before the onset of menstruation in women of childbearing age, at around 10-12 millimeters, and gradually sloughs off and thins after menstruation. If the endometrium is obviously thickened, endometrial polyps and endometrial hyperplasia, malignant changes, etc. are considered, and diagnostic curettage for endometrial biopsy is recommended, and progesterone treatment such as dextroprogesterone and medroxyprogesterone or surgical treatment is needed for the development of lesions. It is recommended that patients find endometrial thickening or discomfort symptoms in a timely manner to regular hospitals, need to be based on the comprehensive situation of women by a professional doctor to determine whether the need to scrape the uterus, the patient to scrape the uterus after the surgery to comply with the doctor’s instructions to anti-inflammatory and prohibit sexual life, to prevent infection.