Atrial fibrillation is a common type of arrhythmia in our daily lives, and it has many dangers. First, it produces symptoms; when atrial fibrillation occurs, patients often experience palpitations and chest discomfort. Second, it can induce heart failure. Third, it can cause complications such as cerebral infarction. Therefore, the treatment of atrial fibrillation is usually divided into the following types: first, pharmacological treatment, such as using amiodarone to maintain sinus rhythm and taking warfarin to prevent thrombosis. Second, surgical treatment, such as radiofrequency ablation therapy, which is a minimally invasive method and is hoped to prevent further episodes of atrial fibrillation.