Contact bleeding can be seen in cervical cancer, cervical polyp, vaginal squamous epithelial cancer, etc., which need to consult doctor in time and standardize treatment under doctor’s guidance, and will not be cured by itself. 1. Cervical cancer can be manifested as increase of vaginal secretion at the beginning, and then contact bleeding, which is mostly seen in human papillomavirus infection, and it can not be cured by itself, and the treatment is mainly surgical treatment. 2. If cervical polyps are not treated actively, contact bleeding will also occur, and there may be a risk of enlargement, the treatment is mainly excision-based, and can not be cured. 3. Vaginal squamous epithelial carcinoma can be asymptomatic in early stage, and later manifested as contact bleeding, and the treatment is also mainly surgical treatment to prevent metastasis, which cannot be cured by itself. Contact bleeding is a kind of pathological change, which can be seen in inflammation, polyp, cancer, etc. It needs to consult doctor in time and standardize treatment under doctor’s guidance, and cannot be cured by itself. Daily life should pay attention to private hygiene, change and wash underwear.