Results: mean age was 53.8 ± 13.5 years old, mainly men (70.6%), paroxysmal atrial fibrillation accounted for the majority (94.11%), the average duration of atrial fibrillation was 33.9 ± 33.3 months. The most common symptoms were palpitations (100%) and fatigue (70.6%), the severity of symptom was mostly grade 3 (58, 8%).