The main reason for itching in diabetic patients is relatively high blood sugar. When the blood sugar of diabetic patients is poorly controlled, excessive sugar and other components in the body will be excreted with sweat, which will then stimulate the skin and cause itching, or lactic acid will increase accordingly when the sugar content of the skin increases, and subsequently the skin will be in a state of chronic dehydration for a long time, resulting in reduced sweating and excessive dryness of the skin thus causing itching. Therefore, the main reason for the itching phenomenon in diabetic patients is the relative instability of blood sugar control. When patients want to improve the itching caused by diabetes, they need to control their blood sugar in a stable range by regulating their diet, increasing exercise, and actively monitoring their blood sugar, which is the most basic and effective way to treat itching in diabetic patients. If the blood sugar has been controlled within the normal range, but the body still appears itchy, then you can consider using topical drugs, such as local ointment or furnace glycolic lotion, etc. In terms of traditional Chinese medicine, you can consider giving patients targeted drugs to dispel wind and relieve itching, which is more effective.