Itchy skin on both sides of the labia majora, the most common cause is eczema or the presence of pubic lice, skin allergies, inflammation and infection, because women’s labia are relatively large and there will be obvious direct contact with the surrounding skin. Eczema is easily caused by dirt and sweat stains that form when the weather is hot and sweaty, and can quickly return to normal by washing with water and keeping the area dry. At the same time need to consider whether there is the presence of pubic lice parasites, the presence of parasites is also very easy to lead to obvious itching of the vulvar skin, can be improved through the use of insecticidal drugs, if there is obvious skin dryness, chaffing, redness, consider skin allergies, the need for topical antiallergic drug treatment. If there is obvious vaginal itching and odor, consider vaginal inflammation stimulation may, need to determine the type of inflammation through the routine leukorrhea, and then symptomatic treatment.