Itching on the body of the elderly may be caused by physiological and pathological factors, and may be treated with antihistamines, antifungals, hypoglycemia and other drugs. Specifically need to be treated according to the cause of the disease 1. Physiological factors: the elderly sebaceous gland secretion is reduced, the climate is cold and dry, the stimulation of foreign objects, bathing time is too long, stimulating shower gel, drinking alcohol, eating spicy and irritating food, may lead to dry skin, itching. It is suggested to remove the triggers and pay attention to the moisturizing of the skin, which can help to improve. 2. Pathologic causes: (1) Urticaria: Itching all over the body caused by the material of clothing, allergy-inducing food and drugs. It is recommended to remove the triggers and give Olopatadine hydrochloride tablets, compound glycyrrhizin tablets, topical vitamin E cream and glycyrrhizin lotion under doctor’s guidance to help relieve itching. (2) Ringworm: Ringworm is caused by fungal infection, resulting in itchy skin. It is recommended to clarify the diagnosis and give antifungal drugs, such as ketoconazole and miconazole nitrate ointment. If necessary, with oral itraconazole and other antifungal treatment. (3) Diabetic neuropathy: long-term high blood sugar control is not good, sugar metabolites on the skin caused by irritation, can cause itchy skin, it is recommended to give acarbose tablets, insulin and other control of blood sugar levels. Itchy body of the elderly is related to a variety of factors, it is recommended not to blindly use drugs to avoid masking the condition. You can go to the hospital for examination to clarify the cause and treat the cause.