Early manifestations of cervical cancer include the following three aspects: First, abnormal menstruation. Every woman has menstruation, if she has cervical cancer, she will have abnormal menstruation or even amenorrhea, and black blood clots will appear in menstruation. Women should know the early symptoms of cervical cancer so that they can detect the disease as early as possible and do the prevention and treatment work. Secondly, abdominal pain is unbearable. Patients with cervical cancer will have abdominal pain in early stage, and those with serious condition will have abdominal pain which is unbearable, and most of them will have obvious irregular pain in abdomen. Cervical cancer is a rather terrible disease, women should understand the symptoms of cervical cancer and take timely preventive and curative measures. Thirdly, abnormal vaginal bleeding. Patients with cervical cancer will have abnormal vaginal bleeding, especially middle-aged women. If they have abnormal vaginal bleeding, they should be alert to whether it is caused by cervical cancer, and most patients will have abnormal vaginal bleeding. If women experience vaginal bleeding, they must be alert to whether they are suffering from malignant tumor.