Vulvar itching during menstruation may be due to localized special infections, may also be caused by allergies to sanitary napkins or pads, and may also be related to mental and psychological factors. Itchy vulva during menstruation, the first consideration is due to local unhygienic, due to long-term blood stimulation, sanitary napkin allergy, caused by local skin redness, itching caused by, if the time is longer will also cause upward infection, the formation of vaginitis. During menstruation, we should pay attention to changing sanitary napkins, cleaning diligently, and use qualified sanitary napkins, wear breathable underwear, to cotton products is the best. Also during menstruation, abstain from spicy and stimulating food, prohibit alcohol, do not eat seafood and other allergy-causing food, keep the vulva dry, use warm water to wash the vulva. If there is a local break, infection can be scrubbed with 1:5000 potassium permanganate solution, prohibit sexual intercourse during menstruation, most of the time, after diligent change of sanitary napkins, wash with warm boiled water, can be relieved, if it is itchy, to go to the hospital for a medical checkup to see if there is mold, trichomonas, but also to do a blood sugar test. Pay attention not to wash the vulva with soap, try not to scratch and rub the affected area.