Cervical erosion is a physiological phenomenon in which the cervical columnar epithelium is displaced. III degree cervical erosion indicates that the erosion area has exceeded about 2/3 of the surface of the cervix. Grade III cervical erosion, which has no obvious symptoms generally requires no special treatment and can disappear on its own with changes in estrogen in the body. If it is combined with other cervical lesions, such as cervicitis, symptoms such as increased vaginal discharge with odor and contact bleeding, and a few patients are prone to infertility and cancer, it needs to be treated according to the cause, either with local vaginal medication or physical therapy such as electrocoagulation, cryotherapy, laser, etc. During the treatment period, avoid sexual intercourse, clean hands and wash the vulva before vaginal medication to keep it clean. Married women should pay attention to regular gynecological checkups, such as TCT, HPV screening, white belt examination, etc. Prevention and screening of cervicitis, cervical cancer and other diseases should not be neglected. When there are symptoms such as vaginal bleeding and odorous discharge, it is recommended to seek medical attention in time to clarify the cause and treat the cause. In addition, pay attention to personal hygiene in daily life, keep the vulva clean and change underwear regularly to prevent infection.