In general, the most common cause of heel numbness in diabetic patients is diabetic neuropathy. With the prolongation of diabetes, a number of complications may occur, among which diabetic peripheral neuropathy is one of the more common complications. Patients mainly manifest numbness, tingling or burning sensation in both lower extremities or feet, and in severe cases, there will be a significant loss of sensation to hot and cold stimuli in both feet. Patients diagnosed with diabetic peripheral neuropathy should be treated with oral nerve-nourishing drugs, the more commonly used drugs are Epalrestat tablets and methylcobalamin tablets, these drugs will not have a particularly obvious effect when taken orally for a short period of time, long-term oral intake of about 2-3 months, the symptoms of heel numbness will be significantly relieved.