Diabetic patients with itchy legs still itch after scratching are considered to be caused by poor glycemic control, skin infections, neuropathy and other reasons. According to the cause of the disease can be drug treatment, general treatment. 1. Poor glycemic control: patients with poor glycemic control, high sugar content in the skin, poor blood supply to the skin of the legs, dry skin is not moist, usually manifested as itchy legs, itchy will scratch the appearance of red rash. Treatment to lower the main sugar, oral hypoglycemic drugs such as metformin enteric-coated tablets, glibenclamide tablets, etc., can also be injected subcutaneous insulin therapy. 2. Skin infections: Elderly diabetic patients with itchy legs can easily cause skin infections, you can use anti-itching ointment to relieve the symptoms. 3. Neuropathy: diabetic patients have nerve endings inflammation, friction with chemical fiber and fur fabrics, alcohol, spicy food, etc. can cause skin itching. In our daily life, we should pay attention to light diet, avoid eating spicy and stimulating food, eat more fresh fruits and vegetables. Clothing should choose pure cotton products. Nutritional nerve drugs can be prescribed for intramuscular injection treatment. Diabetic patients with itchy legs scratched and itchy for many reasons, timely to the hospital to improve the relevant examination, clear causes, under the guidance of the physician symptomatic treatment, to avoid aggravation of the condition.