Insect repellent tetramisole capable of serving as novel antiarrhythmic drug

The invention discloses application of tetramisole in preparing drug for treating arrhythmia. It is found for the first time that tetramisole can effectively serve as an IK1 specific agonist, has effect similar to that of zacopride and can serve as antiarrhythmic drug, so that a new treatment way which is effective and safe is provided. 本发明公开了四咪唑在制备治疗心律失常药物中的应用。本发明首次发现四咪唑能够有效的作为I特异性激动剂，其具有和zacopride相类似的效果，可以作为制备抗心律失常作用的药物，因而提供了一条有效、安全治疗的新途径。