If the cervical intraepithelial neoplasia level 1 is treated clinically, surgery can be done. Generally, if you don’t have intercourse 3-7 days after menstruation, check the normal leucorrhea routine, normal coagulation time and blood routine, and there is no contraindication, you can do laser treatment or microwave treatment or cryotherapy of the cervix. The main purpose is to make the lesion epithelium necrotic and fall off, and then grow new tissue, so as to achieve the purpose of cure. It is also necessary to give regular review and not to have sexual intercourse within 2 months after surgery. It is recommended to keep the vulva clean after surgery.