The clinical manifestations of digitalis poisoning mainly include cardiac manifestations and extracardiac manifestations, and its treatment measures include stopping the drug, replenishing fluids and symptomatic medication. 1. digitalis intoxication in the early visual blurring, yellow vision and other visual abnormalities; when the poisoning deepens, the poisoned will appear sinus tachycardia, sinus arrest and other cardiac arrhythmia performance, the original heart failure of the crowd will be aggravated, the emergence of systemic circulatory failure, but also accompanied by vomiting, abdominal pain, headache, agitation, coma and other symptoms. 2. When the sick people have symptoms of poisoning, the first thing to do is to take measures to stop the drug. Most of the poisoned people also have electrolyte disorders, so it is very important to replenish potassium and magnesium in a timely manner, and at the same time, under the guidance of the doctor to use drugs to fight against cardiac arrhythmia, commonly used drugs are lidocaine, phenytoin sodium, atropine and so on.