Objective to explore the cause of type 2 diabetic ketoacidosis and continue nursing methods a retrospective analysis in January 2013 - December 2013 in the hospital diagnosed with type 2 diabetes and 105 patients with diabetic ketoacidosis results in type 2 diabetes, ketoacidosis, 60 patients over the age of 34, 35, more than 71 columns. Conclusion 57% of our department is the leading cause of type 2 diabetes, ketoacidosis malpractice; Untreated patients with type 2 diabetes, the disease progresses quickly, DKA can serve as a starting disease clinic [1].