the purpose of elderly hospitalized patients in our hospital nutrition risk research and analysis, and find out the related nutritional risk and nutritional risk and nutritional support as wel as the relationship between the nutritional risk and age. Discussed in this paper. Methods in our hospital in the 130 cases of senile inpatients treated by using nutritional risk screening of nutritional risk screening method, and combining with the patient's body mass index (BMI) and serum albumin and prealbumin to evaluate malnutrition of patients. Results through the study found that older you get, the higher the risk of nutritional risk. Conclusion in patients with senile hospitalized patients in the hospital, more nutritional risk and nutritional deficiencies. In addition, with the increase of patients age, its the chance of nutritional risk is increasing. In the older families and nutritional support both inadequate and abuse.