A chaotic heartbeat, also known as atrial fibrillation, is one of the most common heart rate disorders, and about 1 in 4 patients will experience atrial fibrillation during their lifetime. Atrial fibrillation, short for atrial fibrillation, is a condition in which parts of the atria show a fast and irregular electrical activity, resulting in an irregular and constant fluttering of the heartbeat. It manifests itself as a feeling of palpitations in the patient and can be accompanied by shortness of breath, chest pain, and dizziness. Atrial fibrillation is one of the leading causes of ischemic stroke, with an estimated 15% of strokes attributable to atrial fibrillation, and the incidence of stroke in patients with atrial fibrillation is nearly five times higher than in normal subjects. The traditional treatment is to use antiarrhythmic drugs to restore the heart rate or to use heart rate control drugs to control the heart rate, but the latter is still prone to stroke and requires long-term anticoagulant medication. In recent years, it can be treated by minimally invasive surgeries (catheter ablation or LVO), the former has a certain chance of eliminating the atrial fibrillation, and the latter reduces the incidence of strokes.