The treatment of mycosis fungoides is as follows. Basic treatment: First, change the pH of the vagina, rinse the vagina with alkaline drugs, use 2%-4% soda solution to rinse the vagina to change the living environment of mycobacteria. Second, treatment drugs: 1, disinfectant gel local application twice a day; 2, oral ketoconazole 400mg twice a day for 5 days; 3, oral clotrimazole or chlorobenzimidazole 0.5-1g 3 times a day, local ointment, suppository or application of 1%-5% 3-4 times a day; 4, 1%-2% gentian violet solution local application, extremely widely used and effective, but there is contamination of underwear inconvenience. The newborn baby is at risk of infection, so timely treatment is still needed. Thirdly, for male carriers, routine treatment must also be carried out, which is one of the important measures to eliminate recurrence in female patients. Fourthly, to prevent recurrence of mycosis vaginalis, after the vaginal rinse with soda solution is cured, daily cleaning can be made with weak acidic feminine care solution to maintain the self-cleaning function of the vagina.