Elderly itchy skin is often seen in pruritus, allergic dermatitis and other diseases, in the treatment need to be given to stop itching, anti-allergy medication, and at the same time pay attention to strengthen the skin care. 1. Pruritus: due to excessive dry weather, ageing tissue cell function decline and sebum secretion decrease caused by itchy skin, can be appropriate to give anti-itching drugs to relieve the symptoms, such as glycerine lotion, dinexed cream and so on. At the same time, we should pay attention to drink more water, supplement some vitamins, but also can be symptomatic use of some with hydration and moisturizing skin care products, such as vitamin E milk. 2. Allergic dermatitis: due to contact with allergies and itching discomfort, first of all, we should actively remove the causative factors, to avoid allergic disease reoccurrence, at the same time can be symptomatic to give anti-allergic drug therapy, such as topical dexamethasone cream, oral loratadine tablets and so on. During the treatment, it is important to keep the local skin clean and avoid excessive scratching and irritation. Due to the different causes of the disease, the treatment may be slightly different, and it is necessary to consult a doctor to determine the best treatment plan for each case.