The best treatment for middle and late stage cervical cancer is radiotherapy for the following main reasons: 1. Radiotherapy can kill tumor cells, for example, for stage I cervical cancer, the five-year survival rate of its radiotherapy is comparable to that of surgery; 2. The invasion range of middle and late stage cervical cancer is wider, and because of the limited resection range of surgery, the diseased tissues cannot be completely removed, and the risk of recurrence after surgery is greater, while radiotherapy has a wider range without excessive surgical restrictions, and can kill tumor tissues that cannot be removed by surgery; 3. Radiotherapy after surgery can aggravate its complications.