Different drug poisoning manifests itself differently. Different drug poisoning symptoms are not the same. Clinical common is sleeping drug poisoning, mainly manifested as drowsiness, confusion or even coma, pupil narrowing was pinpoint, blood pressure drop shock, heart rate increase and other manifestations. Another common clinical digitalis drug poisoning, first gastrointestinal reactions such as nausea and vomiting, loss of appetite, etc., after the appearance of dizziness, cephalic ventilation, drowsiness and other neurological symptoms. Cardiotoxic reactions are generally larger. Cardiotoxicity is mainly manifested as arrhythmia, frequent ventricular premature or even ventricular tachycardia, ventricular fibrillation, can also cause atrioventricular block.