Arrhythmia drugs mainly include the following categories: 1) sodium channel blockers, such as quinidine, lidocaine, mexiletine, propafenone, etc.; 2) beta-adrenergic receptor blockers, such as metoprolol, esmolol, propranolol, etc.; 3) potassium channel blockers, amiodarone, ibrit, etc.; 4) blockers of calcium channels, verapamil, diltiazem, etc. In addition, there are other classes such as adenosine, atropine and other Chinese medicines such as heart stabilizing granules and ginseng heart capsules. The specific medication should be combined with the clinical situation and guided by the doctor’s interview.