Cervical cancer is one of the most common malignant tumors in women and has a high mortality rate, so many women are very afraid of cervical cancer. For cervical cancer, so it is hoped that the earlier women can detect and diagnose and treat it, the better. Then, how to prevent cervical cancer? The following article introduces “Indications for post-operative radiotherapy for cervical cancer and how to prevent cervical cancer” to all women. Indications for post-operative radiotherapy for cervical cancer Cervical cancer is more sensitive to radiation therapy, radiation therapy, including external irradiation and two parts of the cavity, except for stage I and II surgical treatment of cervical cancer, the rest of the period is mainly radiation therapy. Indications for radiotherapy for cervical cancer: early cases of cervical cancer are based on the principle of radiotherapy intracavitary radiation therapy, with radiotherapy as a supplement; middle and late stages; the opposite principle and early stages. The purpose of intravascular irradiation is to control local lesions, and external irradiation is the main focus of treatment of pelvic lymph nodes and paracervical cancer tissue. Contraindications to radiation therapy for cervical cancer: radiotherapy for cervical cancer has some limitations. In some early and young cancer patients, such as premenopausal, ovarian function is disrupted after radiation therapy, and these patients develop complications such as myelosuppression, post cachexia; uremia; acute or subacute pelvic inflammatory disease with radiation therapy. Some retrospective studies have shown that conventional irradiation 45 to 50 to three to four cases with many complications, with an incidence of 4% to 15%, and another 40% of patients presenting with chronic diarrhea after postoperative radiotherapy. There are 2% to 8% of cervical cancer patients with serious complications such as bladder, hematuria, urinary frequency and urgency about one year after surgery. How to prevent cervical cancer 1. Smoking, one of the influencing factors for the incidence of cervical cancer. In order to prevent the occurrence of cervical cancer, female friends should avoid smoking. Because smoking increases the incidence of invasive cervical cancer, especially squamous cell carcinoma. Low vitamin C intake in the diet of smokers increases the risk of cervical cancer. At the same time, smoking can weaken the body’s protective factors in the long term. 2. The incidence of cervical cancer is very high, especially among postmenopausal women. Menopausal women with irregular menstruation or bleeding after sexual intercourse should be alert to the possibility of reproductive tract cancer and actively do screening work for cervical cancer. 3, the prevention of cervical erosion should first of all promote late marriage and less education, which can well protect women from the harm and threat of this disease. Generally speaking, if a man suffers from problems such as circumcision, he should be diagnosed and treated early to avoid the problem of cervical cancer in women, while sexual life should be moderate, too many sexual partners and sexual life can induce cervical cancer. The above is the introduction of “how to prevent cervical cancer with post-operative radiotherapy indications” to all female friends, advising them to pay attention to their health and have physical examination on time. If you are suffering from cervical cancer, you must detect and treat it early.