The time required for one radiotherapy treatment for cervical cancer is as follows: 1.Simple radiotherapy: the high dose rate of intracavitary irradiation is 45-50Gy for total dose of paracavitary A and paracavitary F, which is completed in 6-7 times once a week; the dose of extracorporeal irradiation is 40-45Gy, which is completed in 6 weeks; 2.Preoperative radiotherapy: the full dose irradiation is intracavitary plus extracorporeal irradiation as simple radiotherapy, and the surgery is 2-3 months after completing radiotherapy; the general dose of intracavitary irradiation is 45-50Gy, surgery 8-10 weeks after completion of irradiation; the total dose of partial preoperative intracavitary radiotherapy for paracavity A and paracavity F is not less than 20Gy, completed in 2-3 times, once a week, surgery 10-14 days after radiotherapy; preoperative extracorporeal irradiation, unfavorable for patients with intracavitary irradiation, such as uterus >10-12 weeks, or those with dissemination outside the uterine cavity, the dose of extra-pelvic irradiation is 20Gy, 2 -3, postoperative radiotherapy, postoperative whole pelvic irradiation dose is 40-50Gy, 4-6 weeks to complete; the total dose of expanded irradiation area next to abdominal aorta is 30-40Gy, 3-4 weeks to complete, the kidney should be scanned and positioned and protected before irradiation; postoperative intracavitary radiotherapy, the scope of surgery is not enough, there are cancer tumor residual can be done in The total dose is 10-20Gy and is completed in 2-3 weeks.