The causes of vaginitis are: 1. dysbiosis, in women who use broad-spectrum antibiotics for a long time, the normal vaginal flora is disrupted and the conditionally pathogenic bacteria multiply rapidly to become pathogenic and cause vaginal inflammation. 2. decreased immunity, the long-term use of glucocorticoids or immunosuppressants for other diseases leads to low immune function and reduced ability to fight infections, making them susceptible to vaginal inflammatory diseases. 3. 3. Influence of underlying diseases, patients with diabetes or severe anemia are also prone to vaginitis. 4. Poor hygiene habits, not changing underwear for a long time, not washing the vulva, often having sex during menstruation, etc., can easily lead to pathogenic microorganisms invading the infection. 5. Unclean sexual behavior, frequent changing of sexual partners or unclean sexual behavior of patients, as sexual partners carry certain pathogenic microorganisms and infect women with pathogens. Infection to women.