This article is focused on china`s policy-making mechanism toward a diaoyudao(釣魚島)issue. Through this issue, I really want to know what is policy-making mechanism and how to form networks. The style of chinese policy decision gradually is changing. Besides the actors and mechanisms involved in chinese foreign policy-making are also increasing. The role of government official and think tank towards the china`s foreign policy more and more are also increasing. The role and functions of ministry of Foreign Affairs is changing. In relation to diaoyudao issue, the influence of the military is generally related to recognization of the nature of diaoyudao issue. Through depth interviews and documentary materials, I basically described basic policy-making mechanism and role on the diaoyudao issue.