Objective To investigate the effect of preoperative indicators of changes in nutritional status on the clinical outcome of cases of fracture with type 2 diabetes.  Methods A retrospective analysis was conducted of 123 cases of type 2 diabetes fracture who received surgical treatment to find out about their preoperative hemoglobin, total protein, albumin, prealbumin, and lymphocyte count, the total length of stay, preoperative hospitalization time, postoperative hospital stay and hospitalization costs.Results Nutritional status of the young was better than that of the elders. The total length of stay, preoperative hospitalization time of normal nutrition status patients were better than abnormal. There was no significant difference in postoperative complications. The preoperative hospitalization time and postoperative complications of normal glucose control patients were better than those of the abnormal.  Conclusion Nutrition is related to the prognosis of fracture type 2 diabetes patients. Therefore, it is necessary to pay more attention to the nutrition of senior patients with individualized nutritional supports in order to improve clinical outcomes.