The WTO dispute resolution system has been gradually incorporating a doctrine of binding precedent. However, whether WTO has officially embraced binding precedent system remains unknown. The WTO has embraced the de facto precedent system. Including a doctrine of precedent provide would increase security and predictability to the multilateral trading system. The article firstly analytically discuss the features of current WTO Jurisprudence; following with the discussion of the necessity and urgency to develop a formal binding precedent system in DSB; thirdly, appropriate methods which should be adopted through the binding precedent system would be discussed.