Insulin pumps improve glycemic control in adults with type 1 diabetes. They may have benefit in children as well for glycemic control. Insulin pumps reduce the risk of microvascular complications. This is likely because of reduction in glycemic variability. The risk of hypoglycemia and diabetic ketoacidosis is similar in both multi-dose insulin and insulin pumps. Insulin pumps improve the quality of life in both adults and children with type 1 diabetes.