The color of cervical bleeding depends on the amount and speed of bleeding and the cause of the lesion, as follows:1. Bleeding is relatively small, bleeding caused by chronic inflammation of the cervix, the color is coffee, brown, dark red, accompanied by viscous secretion.2. Tumor cells of patients with cervical cancer infiltrate the surrounding tissues to form mulberry or cauliflower, the color of the bleeding is mostly bright red, and the amount of bleeding is relatively large.3. Cervical polyps are superfluous organisms caused by inflammation and stimulation of the mucosal tissue, the color is mostly dark red, the amount is more or less, and persists. Inflammatory stimulation of the tissues leads to superfluous organisms, bleeding after sex or bleeding after strenuous activities, the color is mostly dark red, the amount is suddenly more, suddenly less and persistent. As long as the discovery of irregular vaginal bleeding, no matter what color, must promptly go to the hospital to do gynecological examination, first of all, to exclude the naked eye can determine the disease, if necessary, do ultrasound and cervical biopsy to confirm the diagnosis, can not be delayed in order to avoid aggravation of the condition.