Objective To investigate the current situation of the cognition of diabetic patients to the targets of treatment and management,and then make clear the relationship between the treatment targets and the blood glucose concentration and the quality of life among diabetic patients. Methods Investigated 150 diabetic patients randomly by 3 kinds of scales: ① targets of treatment and management scale;② quality of life scale;③ communication between the doctor and the patients questionary. Results When the patients set the targets of treatment and management,especially these targets were in agreement with those of doctor,their blood sugar were always controlled well(P