If vulvar itching occurs after every menstrual period, the possibility of sanitary napkin allergy must be ruled out. It is recommended that you can change a brand of sanitary napkin and find out again whether itching will occur after menstrual cleansing, and it is recommended to use cotton sanitary napkins, not mesh sanitary napkins, the surface of mesh sanitary napkins is a layer of adhesive paper, so poor ventilation will easily lead to bacterial reproduction and cause local inflammatory reactions. It is also recommended to keep the vulva clean during the menstrual period and wash it with water 1-2 times a day to avoid the possibility of pathogenic infection. In addition, if the vulva is itchy after menstruation and there is an increase in vaginal discharge, clinically it is necessary to exclude the possibility of Candida vaginitis, which can be detected by routine laboratory tests of the white belt and treatment is recommended according to the results.