When a patient appears with upturned and fixed eyes, it is usually caused by deeper poisoning. The following is a brief introduction: 1. The disease is usually caused by overdose. After symptoms appear, first aid measures such as vomiting and gastric lavage should be given, and then routine examination should be done after the condition is stabilized. The patient’s vomit can be collected for toxicological analysis, electrocardiogram scan, etc. ECG shows ventricular flutter, ventricular fibrillation, ventricular tachycardia or arrest; intermittent sinus tachycardia and premature ventricular beats, S-T segment changes and obvious U waves. 2, draw blood to do an electrolyte test, electrolyte determination is the determination of electrolytes. To check whether the heavy metals are over the limit, the blood sodium, blood calcium, blood phosphorus, serum lipid measurement, serum triglyceride measurement are generally tested. 3, blood biochemical examination, generally including blood sugar blood lipids liver function kidney function (urea nitrogen carbon dioxide binding capacity creatinine uric acid urine microprotein) ions amylase cardiac enzymes and so on.