Itchy skin in the elderly is mostly considered to be caused by dry skin or allergies and other diseases, and there are different treatments for different causes. 1. Dry skin: with age, the elderly skin stratum corneum of the skin’s ability to lock water gradually decreased, which will lead to reduced hydration within the skin, resulting in dry skin, the patient should avoid frequent washing, scratching and other stimuli to strengthen emollient, reduce the phenomenon of dry skin. 2. Allergy: generally older people in contact with allergens, such as pollen, dust, detergents, etc., easy to induce an allergic reaction of the skin, manifested as itching discomfort, the patient can be under the guidance of the doctor to use loratadine tablets, cetirizine hydrochloride tablets, and other antihistamine medication for treatment. It is recommended that patients go to a regular hospital, after clarifying the cause of the disease, under the guidance of the doctor reasonable use of drugs, not blindly self-medication.