The best cure for atrial fibrillation is radiofrequency ablation, which cuts off the ectopic pacing site that causes atrial fibrillation at the source. Radiofrequency ablation is an interventional procedure in which the electrode at the head end of the catheter releases an electric current in the area of the heart muscle that causes atrial fibrillation. Upon contact with the heart muscle, the electrical energy is converted into heat, causing the ectopic pacing heart muscle to become necrotic and unable to pace automatically, so that the sinus node reoccupies its preemptive pacing point, thus restoring sinus rhythm. However, not all atrial fibrillation is amenable to radiofrequency ablation. Indications for radiofrequency ablation of atrial fibrillation: (1) Paroxysmal atrial fibrillation with obvious clinical symptoms and ineffective use of more than one antiarrhythmic drug. (ii) Persistent atrial fibrillation without organic heart disease with obvious clinical symptoms and atrial internal diameter less than or equal to 55 millimeters, and the application of more than one antiarrhythmic drug is ineffective. (iii) Asymptomatic but with a stroke that may be related to atrial fibrillation. Contraindications to radiofrequency ablation of atrial fibrillation: ① thrombus found in the left atrium ② recent bleeding risk, such as recent major surgery, gastrointestinal bleeding. ③ serious systemic infection, chronic wasting disease, organ failure can not tolerate the procedure. Patients with atrial fibrillation should consult a cardiologist to assess their condition and treat accordingly.