Mycotic vaginitis needs to do secretion culture and drug sensitivity test, which can clarify the diagnosis and choose sensitive drugs for treatment. Mycosis fungoides is an inflammation of the vulva and vagina caused by Pseudomonas aeruginosa, which is characterized by burning pain and itching of the vulva, increased vaginal discharge, and curd-like or tofu-slag-like discharge. The diagnosis of mycosis fungoides is usually confirmed by finding pseudohyphae or budding spores of Pseudohyphae on a smear of vaginal discharge. However, the use of drugs is based on experience and there is no sensitization guide. Secretion culture and drug sensitivity test can not only clarify the diagnosis, but also choose sensitive antifungal drugs according to the drug sensitivity results. Especially for long time treatment is not easy to cure mycosis vaginalis, more should improve this test. The existence of mycosis vaginalis, should actively cooperate with the doctor examination and treatment, so as not to delay the condition.