Cervical precancerous lesions are usually admitted to the hospital two days prior to surgery for tests, including leukorrhea and blood tests, as well as an EKG and chest X-ray, and after surgery, the hospital stay is about 1-2 days, or 4-5 days on average. It is possible for intraepithelial neoplasia to recur, so regular follow-up with HPV and TCT is required. surgery is usually referred to as cervical conization, which includes electrocautery and cold curettage. After surgery, it is recommended that patients should not have intercourse for 3 months, because there is a wound on the cervix, and it takes a longer time for the wound to heal, because the vagina is different than other places, and the vagina itself is a bacterial environment, so it will take a longer time for it to heal. It is recommended that 3 months can not have intercourse, can not take a bath, can not do heavy physical activities, try to avoid squatting, rising action, try to avoid doing the shorter stool, try to keep the bowel movement, hard to stool will cause the cervical wound suture is broken open, resulting in bleeding wound. In addition to pay attention to hygiene, if you do not pay attention to hygiene, easy to produce inflammation, vaginal inflammation is easy to cause cervical wound infection, once the infection occurs, will also cause cervical wound bleeding.