Objective To investigate the nutritional status and nutritional support in hospitalized patients with diabetes mellitus.Method Nutritional screening was conducted in 76cases of hospitalized patients with diabetes mellitus.Results Detection rate of malnutrition was 9.21%

detection rate of overweight was 36.84% and that of obesity was 18.42%.The detection rate of nutritional risk was 28.95%

which in the group with elderly patients was 38.24%and 21.43%in the group with middle-aged patients

and the differences were statistically significant（p<0.05）.Among 21cases of patients at nutritional risk

5cases received nutritional support while 6cases of 55patients without nutritional risk received nutritional support.The ratio of patients applying parenteral and enteral nutrition is 1∶3.Conclusion Malnutrition

overweight

obesity and nutritional risk exist in patients with diabetes mellitus.Elderly patients have a higher nutritional risk than middle-aged patients and insufficient nutritional support

and the situation shall be improved by providing elderly patients with proper nutritional guidance.