The patent issues of Internet of Things (IOT) technology standard need to be solved by patent policy of Standard-setting Organization. Based on the international IOT Standard-setting Organizations’ patent policy practices, and mainly utilizing the methods of comparative study and case study, the paper summarizes and analyzes that IOT Standard-setting Organizations should focus on three important issues, which are to ensure the reasonability of content, coordination of effectiveness and legitimacy of pattern in their patent policies. In order to develop feasible patent policy of Chinese IOT technology standard, the research suggests establishing matched supporting service system，drafting a guiding patent policy template and perfecting Anti-monopoly Law of China on prohibiting the abuse of patent rights.