Diabetic cardiomyopathy is one of the main complications of diabetes patients died, more and more be taken seriously.The author through consulting a large number of literature, it is concluded that the pathology of diabetic cardiomyopathy physiological change has advanced glycosylation end products, fibrosis, apoptosis, inflammation, and cell death, the renin-angiotensin aldosterone system, calcium ion transport barriers, increased utilization of fatty acid, fatty toxicity, mitochondrial dysfunction, myocardial changes in insulin signal tra...