The symptoms of cervical precancerous lesions include the following points: 1. Some patients may have abnormal increase of leucorrhea with peculiar smell, or leucorrhea with blood filaments; 2. The patients may have irregular vaginal bleeding, especially the symptoms of contact bleeding after the husband and wife have sex with each other; 3. It may also lead to prolonged menstruation or excessive menstruation; 4. It may also cause abdominal pain, abdominal distension, backache, fatigue, loss of appetite, poor mental state, tummy ache, and body wasting.