Bacterial vaginitis is a common gynecological disease, contagious, the main mode of transmission there are several ways: first, can be transmitted through sexual intercourse, if a woman suffers from bacterial vaginitis, during coitus will also be infected with secretions to the male, resulting in male reaction to the disease, the treatment of the disease should pay attention to the husband and wife to treat the disease, in order to completely treat the disease. Secondly, it can be transmitted through direct contact, if contact with personal items, such as towels, underwear, clothing and other items, can also lead to symptoms of infection, usually pay attention to the relevant preventive work to avoid the emergence of the disease, the emergence of bacterial vaginosis should be timely checkups and treatments, to avoid the situation becoming more serious.