Paroxysmal atrial fibrillation in the elderly is recommended to be treated with anti-arrhythmic drugs and complication prevention. Atrial fibrillation is a condition in which the regular and orderly electrical activity of the atria is replaced by rapid and disorderly fibrillation waves, causing a weakening of the heart’s effective pumping and triggering a decrease in heart function, with symptoms such as panic, palpitations, chest tightness and shortness of breath, etc. Paroxysmal atrial fibrillation episodes last for less than a week. Treatment includes restoration of sinus rhythm and prevention of complications. For the recovery of paroxysmal atrial fibrillation, the main use of drugs to recover, at present, the main clinical use of amiodarone; the use of metoprolol, esmolol, etc., to control ventricular rate, reduce the symptoms; prevention of complications mainly using warfarin, low molecular heparin, rivaroxaban and other anticoagulant drugs for anti-coagulation therapy, to prevent blood clots. Paroxysmal atrial fibrillation in the elderly, it is recommended to seek timely medical treatment, the use of drugs, need to be under the guidance of a professional doctor.