Objective To study the change of blood lipid levels by using statins in patients with type 2 diabetes mellitus and analyze the use of statin drug in patients with diabetes mellitus. Methods 670 cases of type 2 diabetes inpatients with hypoglycemic drugs treatment were chosen. The patients were divided as diabetes combined without coronary heart disease(CHD) group(G1,545 cases) and diabetes combined with CHD group(G2,125 cases) according to whether they had CHD or not. General information were recorded,accor...