Cervical conization is a procedure that acts on the cervix and is mainly used to take lesions of the cervix for pathological examination, on the other hand it is also a more common treatment for cervical diseases and can effectively remove cervical lesions. There are many after-effects after cervical conization, which need to be chosen carefully by patients. Postoperative bleeding. There is a risk of bleeding after cervical conization. Secondary bleeding may occur within one to two weeks after surgery, especially in patients with deep resected lesions. Postoperative perforation of the uterus or perforation of the cervix is extremely rare, but when it occurs, hysterectomy is mandatory. Postoperative infection in the pelvic cavity is recommended to be treated with antibiotics for timely control of inflammation. The incidence of postoperative cervical stenosis and cervical adhesions is about 1-5%. Patients may have dysmenorrhea and amenorrhea. Cervical conization can effectively stop the further development of cervical lesions to cervical cancer, but there will be many postoperative sequelae after cervical conization, so it is recommended to choose a regular hospital to perform this treatment procedure so as to effectively avoid the occurrence of postoperative sequelae.