The original atrial fibrillation and premature beats, after the restoration of sinus rhythm may still have premature beats, normal people’s poor lifestyle and chronic diseases may cause premature beats. Patients with atrial fibrillation and premature beats may have structural and functional abnormalities of the heart such as heart valve disease, hypertensive heart disease, coronary artery disease, pulmonary heart disease, ventricular premature beats are also caused by digitalis, quinidine, low potassium, low magnesium and other factors, premature beats may disappear or be reduced after treatment and therapy, but it is not guaranteed that the atrial fibrillation and premature beats will reappear. Premature beats may occur in normal people without organic heart disease when they are emotionally excited, smoking, drinking, exercising, nervousness and anxiety, so even after curing the underlying disease, there is no guarantee that premature beats will be triggered by a bad lifestyle. Atrial fibrillation premature beats must go to the hospital for treatment, and when premature beats occur again, first determine the cause of the disease and then under the guidance of the doctor to deal with reasonable.