Women in the menstrual period appeared to have pubic itching, and the use of sanitary napkins and local bacterial infection related. 1, may be due to women’s allergy to sanitary napkins, resulting in skin itching, redness and swelling and so on. 2, may be due to women’s menstrual period, the vaginal blood can not be excreted in a timely manner, which will lead to the local bacterial, viral infections, which will lead to vulvar itching situation. Therefore, in the case of vulvar itching during menstruation, first of all, change the sanitary napkin with better quality. Secondly, wash the vulva with warm water every day, and if necessary, you can also use Jie Er Yin to wash the vulva, wear loose underwear. Do not eat spicy and stimulating food in your diet, it will be relieved and disappear in 1-2 days, if not, you can go to the hospital after the menstrual period for review and treatment.