Imported drugs commonly used in the treatment of atrial fibrillation include propafenone hydrochloride tablets, amiodarone, dronedarone, metoprolol, warfarin and so on. It is necessary to combine the patient’s condition to choose a reasonable drug. The goals of drug treatment for AF are to prevent AF from occurring, to control the ventricular rate during AF episodes, or to reset AF to maintain normal sinus rhythm and anticoagulant therapy. Prompt medical attention is required and the doctor will need to select different antiarrhythmic drugs according to the patient’s condition. These drugs are imported, some also have a choice of national brands, whether imported or domestic, as long as the application is effective, for the patient is the right drug. The presence of atrial fibrillation, it is recommended to go to the hospital cardiology department, under the guidance of the doctor standardized treatment.