Cervical cancer is a more common malignant tumor in women, and there is a trend of youthfulness in recent years, which means more and more women are threatened by cervical cancer, so it is necessary to have enough knowledge about cervical cancer to effectively prevent and treat it. Since the early symptoms of cervical cancer are relatively obvious, if patients go to hospital in time after discovering the early danger signs of cervical cancer, the development of the disease can be effectively controlled. Early precursors of cervical cancer 1. Patients are often accompanied by cervical erosion: some cervical cancer patients are often accompanied by cervical erosion, and severe cervical erosion is one of the main causes of cancer. Some young women who have cervical erosion for a long time need to pay enough attention to it. 2.Increased vaginal discharge with high viscosity and sometimes with blood: Among cervical cancer patients, nearly 85% of them will have increased vaginal discharge in different degrees. It is mainly manifested as increased leucorrhea, which later is mostly accompanied by changes in smell and color. Due to the stimulation of cancerous lesions, patients with cervical cancer have hyper-secretory function of cervical glands, producing mucus-like leucorrhea. The amount of leucorrhea of patients has increased and is viscous and sometimes bloody, which is an early symptom of cervical cancer. 3. Pain in lower abdomen or lumbosacral region: Some patients may experience pain in lower abdomen and lumbosacral region during menstruation, defecation or sexual intercourse, or in severe cases, pain in upper abdomen, thighs or hip joints. If the cervix is touched, it will immediately cause pain in the iliac fossa and lumbosacral area, and some patients may even experience nausea. 4, irregular vaginal bleeding in menopausal patients: menopausal patients will have vaginal bleeding, the amount of bleeding is not much, but it will be accompanied by abdominal pain, back pain and other symptoms, it is easy to be ignored by patients, thinking it is a sudden period again. In fact, this kind of irregular bleeding is often an early sign of cervical cancer. Patients need to pay enough attention to it. Groups with high incidence of cervical cancer 1. Women with multiple abortions: According to clinical statistics, many cervical cancer patients have a history of multiple abortions. The more abortions there are, the more trauma will be left on the cervix, and the virus will easily invade and increase the chance of cervical cancer. 2.Women infected with human papillomavirus: In the long time from cervical lesion to cervical cancer, human papillomavirus examination for women with cervical inflammation and timely detection of patients with cervical cancer can achieve the purpose of prevention and early treatment of cervical cancer. 3.Women with early sex life, too many sexual partners, early marriage and more children are the high-risk group of cervical cancer and should pay attention to early cervical cancer screening. 4.Women with long-term drug addiction and malnutrition. 5. Women with chronic cervicitis and cervical intraepithelial neoplasia should be alerted to cervical cancer by regular gynecological examination. 6.Women with multiple cervical cancer in their family should have regular cervical cancer screening every year.