Itching of the female reproductive system refers to vulvar itching or vaginal itching, and there are several reasons for itching: 1, itching caused by inflammation, such as Candida albicans infection, trichomonas infection, mycoplasma infection, chlamydia infection may cause vaginal, as well as vulvar, localized itching. 2, some of the vulvar dermatitis can cause localized itching of the vulva, such as vulvar eczema, seborrheic dermatitis of the vulva can lead to localized itching. 3, drug allergies or contact with certain allergic substances can also cause localized itching. Localized itching can also be caused by pubic lice, vulvar dystrophy and diabetes.3. Drug allergy or contact with certain allergic substances can cause itching, such as new underwear or sanitary napkins can cause localized allergic itching, and it is recommended that appropriate treatment be given according to the different causes of the disease.