Cervical erosion is essentially a manifestation of the cervical squamous epithelium and columnar epithelium junction displacement, squamous epithelium is smooth, columnar epithelium appearance of erosion, is not a pathological change, do not need to be treated. I-III degrees of cervical erosion is a normal manifestation of the existence of the original with the sex life, fertility, and cervical cancer has nothing to do with the surface of the erosion is large, the leukorrhoea will be more, physical therapy can reduce the surface of the erosion, but it may be lead to blockage of the opening of the cervical glands, leading to the possibility of cervical naevus cysts.