Cervical conization for precancerous lesions of CIN grade 2-3 generally does not affect fertility, and a very small portion of them may lead to adverse pregnancies such as preeclampsia and preterm labor. Cervical conization surgery, because the surgery will remove part of the cervical tissue, so there is a possibility that it will lead to cervical insufficiency, which will make the woman to have preterm miscarriage, preterm labor and other adverse pregnancies; even if the local exposure of fresh trauma has the possibility of cervical adhesion, but the patient will have amenorrhea, cyclic abdominal pain, most of which can be detected early and dealt with early, and it will not affect the fertility in general. For women after cervical conization, it is generally recommended to get pregnant six months after the operation, after the operation should also pay attention to keep the vulva clean and hygienic, eat less spicy and stimulating food, pay attention to rest, do not do too strenuous exercise, 3 months after the operation should be prohibited from having sex and pelvic bath. If women experience excessive vaginal bleeding, abdominal pain and other discomforts after cervical conization, it is recommended that they go to the gynecology department of a regular hospital as soon as possible to have a clear understanding of the cause of the disease and then actively treat it under the guidance of the doctor.