Itchy pubic area of boys may be caused by physiological factors such as clothing friction, but also may be caused by scrotal eczema, circumcision and other diseases. 1. Physiological factors: if the boy has been wearing impermeable underwear as well as pants for a long time, it may lead to more sweating, so that the pubic area is stimulated by friction, thus appearing pubic itchy situation. 2. Scrotal eczema: the cause of the disease is not clear, it may be related to abnormal immune function, heredity, environment and other factors. Patients mainly manifested as scrotal skin itching, and may appear pimples, papules, erythema and other symptoms. 3. circumcision: may be caused by infection, trauma, irritation and other factors, patients may appear glans local skin erythema, edema, pain and other symptoms, and may be accompanied by itching. There are many reasons that lead to itchy pubic area of boys, after excluding physiological factors, it is recommended that patients go to the hospital for standardized diagnosis and treatment.