The Study Of The Korean Peninsula's Factor Of China Build A Fine Circumjacent Security Environment

China is one of the main big countries in Northeast Asia. The Northeast Asia is a region where security situation is unstable in the world; Korean peninsula issue is a hot problem which influences the Northeast Asia's international political situation. Korean peninsula is situated on the strategic benefits, s intersection point of the United States, Japan, Russia and China; it is also extension district from Central Asia to South Asia and Northeast Asia's Curve. Because its special strategic position and geopolitical environment, Korean peninsula has been put into the geopolitical resultant force. Whether Korean peninsula is stable or not, it not only has relations with the peace and stability of the Northeast Asia and the whole Asian--Pacific region, but also influences Chinese circumjacent security environment.The paper systemic research generally the Chinese circumjacent security environment which is base on the current academic achievement. The author will illustrate it from four aspects: Firstly ,Korean peninsula is very important to Chinese circumjacent security environment;Secondly, the history review which Korean peninsula influence Chinese circumjacent security environment;Thirdly, the reality influence which Korean peninsula influence Chinese circumjacent security environment;Lastly, the principle and Strategy which China adopt towards Korean peninsula.The paper analyzes and research Chinese circumjacent security environment from the angle of historical, geopolitical and the international background etc. Macro view. It include the historic review, the realistic analysis and the prospects for the future, it will try to provide a new way of thinking which Korean peninsula how to develop in the future. The aim that the paper is make up shortage of the research topic and do my best for China building a fine circumjacent security environment.