Vaginitis is generally not contagious to the nasal cavity, part of the vaginitis is contagious, so it is necessary to timely treatment, during which to avoid sexual life. Vaginitis infection pathway includes sexual behavior transmission and indirect contact transmission. For example, mycosis fungoides and trichomonas vaginitis can be transmitted through sexual behavior. Trichomonas can be found in the genitals of both men and women. It does not show up in the genitals of men, but it can be transmitted to women after unprotected sex. Therefore, both sexes should be treated together. Indirect transmission refers to contact with items used by people with mycosis fungoides, such as towels and toilets, which can be easily transmitted. In addition, it is not contagious for non-specific vaginitis, which is caused by an imbalance in the patient’s own vaginal environment. There are different kinds of vaginitis, so the first step in treatment should be a clear diagnosis, symptomatic treatment, do not blindly follow the advice of others, private medication. It is recommended to go to the gynecology department of a regular hospital in time to avoid delaying the treatment.