Digoxin tablets are effective in relieving heart failure, atrial fibrillation and acute and chronic cardiac insufficiency caused by various reasons. Digoxin Tablet is a kind of digitalis cardiac glycoside drug, which can act on myocardium and vascular smooth muscle, and play the effect of decreasing heart rate, decreasing atrioventricular node conduction rate and increasing myocardial contraction force, and it is one of the commonly used medicines in the cardiovascular diseases at present. It can be used to treat mild and moderate heart failure in adults, increase myocardial contractility in children with heart failure, control atrial flutter or atrial fibrillation accompanied by rapid ventricular rate, treat acute and chronic cardiac insufficiency, supraventricular tachycardia. Common adverse reactions include fatigue, abdominal pain, vomiting, and nausea. Digoxin tablets cannot be combined with this injection, and are contraindicated in patients who are allergic to any of the components of the drug and in patients with contraindications to the drug such as ventricular fibrillation and ventricular tachycardia. Due to the narrow therapeutic window of Digoxin Tablets, the ECG and blood pressure changes should be paid attention to during the use of the drug, and the blood concentration of Digoxin should be monitored. It is recommended that patients who need to take digoxin tablets for treatment should go to regular hospitals for treatment and follow the doctor’s instructions.