Mycosis fungoides, also known as vulvovaginal pseudomycosis, is a disease that can be transmitted directly through sexual intercourse, so men can transmit it to women. This disease is a common vulvovaginal inflammation caused by Pseudomonas aeruginosa, Pseudomonas aeruginosa is an opportunistic causative organism, the transmission route is mainly endogenous infection, this germ can be parasitized in the vagina, the oral cavity and the intestinal tract, these three parts of the body can be infected with each other, but also through sexual intercourse directly infected, so men can be transmitted to women. In the treatment of this disease to eliminate the main cause, different patients according to the condition, can reasonably choose to local or systemic use of antifungal drugs, mainly the former, the main drugs include clotrimazole, miconazole, etc., these drugs need to be used under the guidance of a professional doctor.