Itchy fingertips complicated by diabetes may be caused by peripheral neuropathy due to poor blood sugar control, which can be relieved by general treatment and medication to improve the symptoms. 1. General treatment: It is recommended to control diet, quit smoking and drinking, reasonable exercise, regular work and rest, and massage the fingertips to help relieve discomfort. 2. Drug therapy: diabetes complication peripheral neuropathy in the control of blood glucose at the same time need to follow the doctor’s instructions to take nutritive drugs, common hypoglycemic drugs including metformin, insulin, acarbose, etc., nutritive drugs such as vitamin B6, methylcobalamin and so on. Diabetic complications of itchy fingertips need to be clarified under the guidance of a doctor to determine the cause and treatment.