Ketone body 1+ may have no specific clinical manifestations, but may also show nausea, vomiting, weakness and other symptoms, which need to be combined with the patient’s specific causes of ketone body 1+. Ketone body 1+ is an abnormal manifestation, indicating that there are problems with fat metabolism in the body, but it is not necessarily a symptom of the disease, and may be caused by physiological factors. Ketones 1+ can be caused by hunger or sweating from heavy exercise. For this kind of physiological factors caused by ketone body abnormalities, usually do not have obvious clinical symptoms. However, if a diabetic patient has ketone bodies in the urine, it means that the blood sugar control is not ideal, and there may even be ketoacidosis, especially if the patient is accompanied by nausea, vomiting, fatigue and other symptoms should be more alert, and need to immediately test the blood gas analysis, observation of the blood pH value, once diagnosed with ketoacidosis, need to consult a doctor for treatment in a timely manner. Ketone body 1 + patients need to pay attention to, it is recommended to consult a doctor in a timely manner, combined with the patient’s symptoms for further examination, to exclude organic factors, a clear diagnosis, timely treatment under the guidance of the doctor.