Leep knife conization is used to treat cervical lesions.Leep knife conization should be performed within 3 to 7 days after menstruation, with a grade 2 or higher cleanliness of vaginal secretions. Post-operative infections are to be avoided. Leep knife conization surgery, mainly the use of ultra-high frequency electric microwave contact cervical tissue, cervical tissue to absorb the high heat generated instantly by the electric wave, thus evaporating the water in the body’s tissues and cells, to remove the lesions on the cervix. Before using leep knife for conization, the surgery should be selected within 3 to 7 days after menstruation, and the vaginal secretion cleanliness is at least grade 2, if the vaginal secretion cleanliness is not qualified, it suggests that the patient has vaginitis, and if the surgery is forced at this time, it may lead to the occurrence of postoperative infections. leep knife conization surgery is less painful to the patient, and it can reduce the chances of bleeding and infections. After Leep knife conization surgery, patients need to observe the vaginal bleeding situation at any time. If there is abnormal bleeding, go to the hospital in time. Try to eat light and easy-to-digest food after the operation and avoid spicy food. Change underwear regularly and use pads if necessary, and make sure to minimize the chance of infection.