Left ear blockade is a commonly used method of preventing and treating atrial fibrillation, and has great advantages in preventing strokes in patients with atrial fibrillation. Its treatment cost is relatively expensive, different levels and different areas of the hospital is certainly different, but usually also large tens of thousands of dollars, in the 70-80,000 dollars or so, some areas may cost more. Specifically, you can consult with your hospital, you can call for consultation or outpatient consultation. Besides, not all hospitals can do it, you need to find out whether the hospital does it, what is the level of doing it, what are the risks, and what are the adverse reactions. According to their own underlying disease and auxiliary examination results, the doctor will make a detailed explanation and guidance, and informed of the specific cost of doing this surgery.