Itching in the private part of a man’s body may be related to causes such as scrotal eczema, jock itch and glans phimosis. Relief is provided through methods such as topical and oral medications. 1. Scrotal eczema: it is an inflammatory skin disease, bad habits of the situation will form dirt and sweat stains easily caused by eczema, it will lead to the boys private part itching. Can be used under the guidance of a doctor, such as topical dianabed cream, if necessary, oral antihistamine drugs, such as loratadine to relieve itching. 2. Ringworm: a common fungal infection of the skin disease, will appear in the private part of the boys itching, lesions easy erythema flaking performance. Can apply topical antifungal drugs, such as terbinafine cream. If necessary, should be combined with oral antifungal drugs, such as itraconazole for systemic antifungal treatment. 3. Circumcision: If the foreskin of a boy’s penis is too long, the accumulation of foreskin scale will cause bacterial or mold infection, resulting in itching in the boy’s private part. It should be treated by professional doctor’s judgment, if it is mold need antifungal treatment, such as oral itraconazole capsule. When the private part of the boys itching, should promptly go to the hospital to identify the cause of the disease, under the guidance of the doctor for treatment. Do not use medication privately.