The presence of ketone bodies in diabetic patients is called diabetic ketosis, which is an acute complication of diabetes and needs to be dealt with immediately. The patient should drink a lot of water to eliminate the excess ketone bodies through urine. 2. go to the hospital immediately and use intravenous insulin or subcutaneous insulin to bring down the blood sugar as soon as possible. 3. if the patient is not eating well, he should give intravenous rehydration and small doses of insulin to strengthen the body’s energy support, so that fat oxidation will be reduced and the ketone body level will gradually decrease. The level of ketone bodies will gradually decrease. Diabetic patients appear ketone bodies because the blood sugar level is too high, or the usual meal is not very good induced ketosis, for this situation must be timely to the hospital to deal with, in order to avoid inducing ketoacidosis, will lead to other serious complications.