Abstract: Abstract：Since the cold war, the geopolitical of Cambodia has experienced the changes from fragmentation to restructuring. It is not only one of the forefront to the United States and the Soviet union camps for cold and hot war games during the cold war , and one of the southeast Asian countries has been actively strive for the outside political forces on the geopolitical strategy after the cold war. In cause changes in the Cambodian geopolitical factors, external factors are dominant factors. Moreover, the differentiation and combination of domestic political parties to conflict that are the important factors. Therefore, since the cold war, the geopolitical of Cambodia has geopolitical chessboard and geostrategic wedge characteristics significantly. And to discuss the trend , the causes and characteristics of Cambodia geopolitical changes since the cold war to our country's geopolitical research in Cambodia and China's geopolitical strategic positioning in Cambodia has very important academic significance and practical significance.

摘要： 摘 要：冷战以来，柬埔寨地缘政治经历了从碎片化到重组的变动。其既是冷战期间美苏两大阵营进行冷战与热战博弈的最前沿阵地之一，也是冷战后各域外政治力量在地缘战略上积极争取的东南亚国家之一。在导致柬埔寨地缘政治变动的诸多因素中，外部因素是决定其地缘政治变动的主导性因素，国内政治派别斗争的分化与组合是导致其地缘政治变动的重要因素。因此，在双重因素作用下，冷战以来的柬埔寨地缘政治具有地缘政治棋盘和地缘战略楔子的显著特点。而对冷战以来柬埔寨地缘政治变动的趋势、成因和特征的探讨，对我国的柬埔寨地缘政治研究和我国对柬埔寨地缘政治的战略定位具有十分重要的学术意义和现实意义。

关键词: 关键词：柬埔寨, 地缘政治棋盘, 地缘战略楔子, Key words: Cambodia, Geopolitical Chessboard, Geostrategic Wedge