In the United States-Definitive Anti-Dumping and Countervailing Duties on Certain Products from China（DS 379），the WTO Panel and Appellate Body reached different conclusions on the consistency of “double remedy” with the WTO rules.Comprehensive opinions from the parites，ie.China and the U.S.，and those of the Panel and the Appellate Body are reflected in this article，with the features of the treaty interpretation by the Appellate Body vividly demonstrated.