Itchy skin is difficult to rely on diet to achieve better results, itchy skin may be related to dry skin, allergies, ringworm and other reasons, need to be based on the type of disease symptomatic medication. 1. Dry skin: the elderly sebum secretion is reduced or dry weather in the fall and winter seasons, may induce itchy skin, at this time need to strengthen the local skin moisturizing, reduce scalding, scratching and other undesirable stimuli. 2. Allergy, if the itchy skin is caused by allergic factors, you can use anti-allergy drugs under the guidance of a doctor, such as loratadine, cetirizine, glycerine lotion, etc., to avoid aggravation of the situation, the diet usually need to maintain a light diet, drink more water. 3. Ringworm, if the ringworm, you can use terbinafine hydrochloride, itraconazole and other drugs under the guidance of the doctor, but also can use topical drugs, such as miconazole cream, econazole cream and so on. Itchy skin can be caused by a variety of factors, usually need to pay attention to do a good job of skin cleaning, maintain good habits, balanced nutritional diet can be, do not need special taboos also do not need to eat more food, if the symptoms worsened the need to consult a doctor in a timely manner.