There are many reasons for vulvar itching, and the main reasons are as follows: First, it may be caused by external stimuli, such as underwear too tight or often excessive friction may lead to vulvar itching. Secondly, it is considered to be caused by local diseases of the vulva, such as mycosis vaginalis, trichomonas vaginalis, scabies, pubic lice and other various diseases can lead to vulvar itching. Third, mental factors, dietary factors and other various problems can trigger vulvar itching, such as often too depressed, irritable or food in the lack of vitamin A and other factors, need to be timely regulation. Fourth, systemic diseases, such as anemia, diabetes, kidney disease or lymphoma and other problems can also cause vulvar itching symptoms, it is recommended that timely symptomatic treatment.