It is commonly used in cases of incomplete medical abortion or incomplete spontaneous abortion, and is painful without anesthesia. However, the operation usually does not take long, and can be completed in about 5-10 minutes with the patient’s cooperation. The procedure is a process of scraping out the tissue adhering to the uterine cavity by inserting surgical instruments deep inside the cavity. The first step is to open the cervix; the second step is to reach inside the uterus with the surgical instruments and scrape out the residual tissue, which is adhered to the lining of the uterus, so the patient will feel pain during the scraping process. If some women are afraid of pain, then they can choose to have a painless uterus removal surgery, because painless uterus removal surgery uses anesthetic drugs, the patient does not feel the pain during the operation, and when the patient comes to his senses, the operation is over. Although it is painful, the procedure can effectively remove the residual tissues in the uterine cavity and make the body recover faster, so it must be done. Of course, symptomatic anti-inflammation is also needed after the operation to prevent the occurrence of infection.