Due to the endometrial thickening to do diagnostic scraping, the following matters should be noted after surgery: 1, keep the vulva clean, change sanitary napkins, and it is recommended that the best use of cotton sanitary napkins, do not use the mesh sanitary napkins. 2. Do not take a bath or shower for one month, and do not have sex for one month, mainly to avoid inflammation of the reproductive tract caused by bacterial infection. 3. Observe the amount of vaginal bleeding, if the amount of vaginal bleeding is greater than the amount of menstruation, it is an abnormal phenomenon, and it is recommended to go to the hospital to stop the bleeding. 4. If there is pain in the lower abdomen after curettage, the possibility of uterine perforation should be ruled out and further examination and treatment should be given in hospital.