Circle at the ankle itchy skin, may be due to ringworm, contact dermatitis, dry eczema and other factors, can be relieved through general treatment, medication and other methods. 1. ringworm: due to dermatophyte infection of the local skin caused by the disease, there may be ankle circles itchy skin phenomenon, need to be under the guidance of the doctor to choose econazole, ketoconazole, clotrimazole and other antifungal drug treatment. 2. Contact dermatitis: some patients belong to the allergic body, in contact with allergens or irritants may cause itchy skin at the ankle circle, after diagnosis, can be treated with topical glycerite lotion, oral loratadine, cetirizine and other antihistamine drugs. 3. Dry eczema: mainly due to excessive dehydration of the skin surface, oil reduction and other factors, can be applied externally with tretinoin urea ointment to moisturize the skin. In addition, the need to control the number of baths, the water temperature should not be too high. When there is a circle of itchy skin at the ankle, it is recommended to go to the hospital in a timely manner to clarify the cause of the disease and standardize the treatment under the guidance of the doctor. The above drugs need to be used in accordance with medical advice.