Mycosis fungoides is not itchy on the inside, but the bumps that grow on the outside still hurt may be caused by damaged vulvar epidermis or environmental allergies. 1. Damaged vulvar epidermis: the scope of the condition of mycosis vaginalis can exist in the patient’s vulva part. The patient’s vulva may have abnormal mucosal tissue due to the action of mycobacteria and this may eventually lead to bumps and pain. 2. Environmental allergies: Since mycosis vaginalis is often accompanied by abnormal leukorrhea or other tissue fluid leakage, prolonged moisture in the vulva may lead to rashes and pain. Mycosis vaginalis is not itchy, the outside of the long pimples appear pain may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.