The resting 12 lead electrocardiograms (ECG) of 45 patients with Wolff-Parkinson-White syndrome and 30 normal persons were assessed by five criterias for locating the accessory pathway. Golden criteria was established by site of accessory pathway confirmed during epicardial mapping and absent accessory pathway from normal person. Compared five criterias of EGG with golden criteria, the idiosyncrasy of every criteria was 100% and the sensitivity of Rosenbaum's cri-terias, Gallagher's, WHO's, Lindsay's, Reddy's were respectively 93. 3% , 71. 1% , 64. 4% , 60% , 53. 3%. The preliminary feature for locating the accessory pathway of ECG was put forward from advantages of five criterias and observation of this report data.