Atrial fibrillation is one of the most common arrhythmia in clinic. Atrial fibrillation can be caused by many heart diseases and un-heart diseases. It is not lethal arrhythmia, but it has a high happening-rate, obvious clinic symptoms and can worsen patients' heart-function, because of the above factors, atrial fibrillation is always the focal point and hot spot for clinic studying.Since the mid-1990s, discoveries and findings in cardioelectric-physiology, molecular-biology etc. have resulted in c...