Bacterial vaginitis can be applied with metronidazole, clindamycin and other medications as prescribed by the doctor, and most of the cervical erosion does not require medication and can be treated surgically if necessary. Bacterial vaginitis is mainly due to the reduction of lactobacilli in the vagina, anaerobic bacteria, Gardnerella and other flora multiply leading to mixed infections. Treatment is mainly anti-anaerobic bacteria treatment, such as metronidazole systemic or local topical, clindamycin oral and so on. It should be noted that metronidazole orally can cause nausea, vomiting and other adverse reactions, and alcohol is prohibited during the period of taking. Clindamycin can cause abdominal pain, diarrhea, pseudomembranous enteritis and other adverse reactions. Cervical erosion is a clinical sign, mostly due to physiological causes, partly due to pathological causes. Cervical erosion given cytology and human papillomavirus testing, if necessary, colposcopy or cervical biopsy. No medication is needed for physiologic causes, but if the cause is cervical intraepithelial lesion or cervical cancer, surgical treatment or radiation therapy will be given according to the specific situation. Bacterial vaginitis and cervical erosion should be treated in a regular hospital under the guidance of a doctor, and should not be abused privately, so as not to cause discomfort.