The effect of running on repairing pancreatic islet function needs to be divided into situations, if it is pre-diabetes, type 2 diabetes, running can help to repair pancreatic islet function. 1. Pre-diabetes: the degree of damage to the pancreatic islet function is mild, through diet control and persistent exercise, can help restore the pancreatic islet function. 2. Type 2 diabetes: the early stage of type 2 diabetes is mainly insulin resistance, accompanied by a relative lack of insulin, adherence to running can improve insulin sensitivity, to help lower sugar. 3.1 type 1 diabetes: type 1 diabetes patients have poor pancreatic function, adhere to the effect of running on repairing pancreatic function is not obvious. For diabetic patients, exercise is essential. It is recommended that patients exercise reasonably according to their condition under the guidance of doctors.