Pseudomonas aeruginosa in women is mainly endogenous infection, and a few are exogenous infection. 1. Endogenous infection: most women have pseudohyphae parasites in the vagina, but under normal circumstances will not cause inflammation, if women use broad-spectrum antibiotics for a long time or have diabetes, etc., which will lead to a decline in the local or systemic immune system, the bacteria will multiply and cause an inflammatory reaction. In addition, Pseudohyphae can also be parasitized in the oral cavity, intestinal tract and other parts of the human body, and may be transmitted to each other. 2. Exogenous infection: Pseudomonas aeruginosa can also be transmitted exogenously, directly through sexual intercourse, and indirectly through contact with infected clothing in a small number of patients. Pseudomonal yeast can cause female vulvar itching, increased vaginal discharge and other symptoms, affecting the health of women, it is recommended to actively treat, usually pay attention to personal hygiene, change underwear.