Curettage refers to the procedure of scraping the lining of the uterus and the contents of the uterine cavity with a medical instrument. Curettage is categorized into diagnostic curettage and therapeutic curettage depending on the purpose. Diagnostic scraping is mainly used for the diagnosis of diseases, especially when endometrial pathology is suspected, the endometrium can be scraped by medical devices and the scraped tissues can be sent to pathological examination to clarify the cause of the disease and provide a reliable diagnostic basis for treatment. Therapeutic scraping is commonly used in patients who have had abortions and endometrial hyperplasia resulting in heavy vaginal bleeding. Curettage can cause some damage to the endometrium, and in serious cases, there is the possibility of uterine perforation, incomplete curettage and other hazards. It is recommended to go to a regular hospital and under the operation of a professional doctor when you need to have a curettage surgery.