Itchy skin can occur as a complication of diabetes. Itchy skin is one of the comorbidities of diabetes, especially for the elderly, who are especially prone to complications of itchy skin, because itchy skin is usually the result of the following problems in patients: First, diabetes does not strictly control blood sugar, the index of glycated hemoglobin is relatively high, and for postprandial blood sugar will also appear to be substandard, and this situation lasts For a period of time, skin complications will occur. Secondly, fungal infections can occur in the feet of the skin, and itchy skin can easily occur when fungal infections occur in the skin. Third, diabetic patients with relatively low immunity are prone to rashes, rashes, papules, etc., and in these cases, clinical symptoms of itchy skin may also occur.