Diabetes as a chronic systemic disease that has become an important risk factors for cardiovascular disease,including heart failure.Diabetic patients with heart failure are increasing rapidly.Glucagorrlike peptide-1(GLP-1) is a secretin secret from intestinal L cells that can regulate glucose metabolism through a variety of mechanisms.GLP-1 receptor agonist and DPP-4 inhibitors as the novel antidiabetic drugs,have been found to have cardioprotective effects via antioxidant,reducing ischemic myocardial injur...