Itchy perineum is mainly related to inflammatory stimulation, the most common is mycotic vaginitis, mainly manifested as itching in the vulva, sometimes with strange itching, each time lasting for a variable period of time, whether at work or during sleep can feel the itchy situation, and at the same time there will be increased leucorrhea, yellowing, odor and other discomfort. This is the time to pay attention to wash the vulva with warm water, you can use the appropriate amount of light salt water to wash. If the condition is not relieved, you should consult a doctor in time to improve the vaginal examination with a speculum, observe whether there is abnormal discharge from the vagina and cervix, whether there is erosion in the cervix, whether there is redness in the vagina, etc. If necessary, apply topical mycoplasma tablets vaginally, usually after 1-2 courses of treatment, the condition will be relieved significantly. It may also be vulvar leukoplakia, in addition to vulvar itching, the vulvar skin will have a white color and the elasticity of the mucous membrane has changed.