The place where you wear underwear is particularly itchy may be wearing underwear too tight or fabric allergies, but also may be the cause of irritation or local infection of the wash care products. 1. Wearing underwear too tight: If the underwear worn is tight, ill-fitting, poor local ventilation, etc., it is easy to cause friction on the local area, resulting in itching symptoms. 2. Fabric allergy: If you are allergic to certain ingredients in the underwear you wear, it may cause contact dermatitis, resulting in localized itching. 3. Irritation of toiletries: If the toiletries used to wash underwear are irritating or not thoroughly rinsed, they may cause local skin irritation, leading to itching. 4. Local infection: If you wear underwear without timely washing or underwear breathability is poor, it is easy to lead to local bacterial infection, thus appearing itchy symptoms. Wear underwear place especially itchy can choose to change underwear, if the situation has not been improved, to the regular hospital in a timely manner, to clarify the specific causes, follow the doctor’s instructions to deal with.