Totally 896 medical records were statistically analyzed from Jan. 1, ] 998 to Dec. 31 , 2001. There were 65 cases (7. 3%,65/896) of ischemic cardiomyopathy .of which 38 cases (58. 5% .38/65) were myocardial infarction in small area, 27 cases(41. 5% ,27/65) were in large area. The causes of ischemic cardiomyopathy were lack of blood supply in cardiac cells for a long time and pathological changes in branches of coronary artery. If myocardial infarction in small area occurred,the blood vessels should be opened again in acute period, and the risk factors must be prevented and treated.