The patent policy of technical standards and standard-setting organization can prevent patent misuse which will damage trading order and fair competition, the public interest, but also need to appropriately protect the patents of the inventors. The point is seeking to effectively reconcile the competition law norms and patent law norms relating to the setting of technical standards and its patent policy. The first study and review of this article is the legal system and important cases relating to the setting of technical standards and its patent policy in advanced countries and regions; moreover, the article will study and review whether the essential facilities doctrine of competition law and related cases are applicable in the field of the setting of technical standards and their application conditions; furthermore, the article will study and review the relevant domestic laws and regulations (such as the Fair Trade Act and its sub-law and the Telecommunications Act and its sub-law) and important cases (such as the joint patent licensing case of Philips, Sony and Taiyo Yuden Company Disc), in order to make the reference to the modification of the relevant laws and regulations, the judiciary hearing as well as the negotiation between the owners of the patents involved in the technical standards and the business interested in the implementation of the patents.