Itchy calves caused by diabetes should pay attention to the following aspects: 1, control blood sugar, so that it is close to normal or reach the normal level; 2, stable emotions, relaxation; 3, reduce skin irritation, such as bathing once a week, try not to rub hard. The water temperature should be controlled at 37-40°C and apply skin creams like vitamin E cream after bathing; 4. Pay attention to warmth, choose cotton and loose clothing, and avoid chemical fiber clothing, which can avoid irritation; 5. If the patient has combined tinea pedis or ringworm, medication should be given.