Objective:To examine the relationship among HbA1c,CK,CK-MB,CK-MB/CK and hs-cTnT in T2DM patients. Methods: Based on the level of HbA1c,251 T2DM patients were assigned to three groups. There were 60 cases in group 1(HbA1c ≤ 6.4%),62 cases in group 2(6.4% < HbA1c ≤ 7.1%),33 cases in group 3(7.1% < HbA1c ≤ 7.8%),37 cases in group 4(7.8%