The color of the cervix under normal circumstances can be shown as the following colors: 1. pink, the surface of the cervix is smooth, the surface of the cervix is covered with compound squamous epithelium, so the surface of the cervix seen by the naked eye is pink. 2. women of childbearing age have a high secretion of estrogen, resulting in the outward migration of the cervical columnar epithelium, when the surface of the cervix is covered with columnar epithelium, the surface of the cervix seen by the naked eye is red, which is also If the cervix appears purple-blue, clinically it is often caused by pregnancy, mainly because after pregnancy, under the effect of estrogen level, the cervical mucosa will appear purple-blue, which is also a normal phenomenon after pregnancy. Therefore, both pink, red and purple-blue cervixes are clinically normal. If the color of the cervix is abnormal, for example, if the cervix is partially white, it may also be caused by epithelial lesions and colposcopy or cervical cancer screening is recommended.