If itching at the pubic hair is clinically caused by local inflammation of the skin, most commonly seborrheic dermatitis or eczema. Then it often causes localized itching and there are red papules in the area under close observation. In clinical practice, it is recommended to apply dermaplanin for treatment or apply paregoric pine for treatment, adhere to the medication and keep the local clean, generally within a week the symptoms will be significantly relieved. It is also recommended to eat less spicy and acidic food in daily life, and to get enough sleep and not to drink alcohol. In the case of seborrheic dermatitis, there is also localized peeling of the skin on the papules. In this case, do not eat greasy food or nuts to avoid aggravating the symptoms of seborrheic dermatitis.