位於歐亞大陸中心的中亞國家，在蘇聯解體後重新回到世界政治舞台，因所處的敏感地理位置及擁有豐富能源優勢，地緣戰略的重要性格外突顯。中亞國家目前尚處於重大轉型期，油氣資源為其對外發展及穩定內部的有利憑藉，該區域各國莫不積極運用天賦條件，期在大國競逐及全球化衝擊中，有效獲取國家利益。 中國因經濟快速成長，進口石油的依賴程度不斷攀升，制約其經濟與綜合國力的發展，並對國家安全形成威脅。面臨石油安全困境，中國站在全球能源領域的制高點，積極拓展油源，緊鄰的中亞地區石油蘊藏豐富，成為中國強化能源合作關係，以維護來源穩定的首要選擇。 本文從「地緣戰略」的觀點，分析中國及中亞的地緣政治及石油安全形勢，並探討中國在該地區能源外交內涵、佈局與實踐，以及所面臨的機遇與挑戰等議題。綜觀之，中國對中亞的石油整體戰略佈局，係以外交為後盾，國營石油企業為主軸，上海合作組織為平台，雙邊及多邊型式並進，藉由地緣優勢建構中亞和諧地區，並透過籌建中國陸路油氣供應路徑，朝向來源多元化，以避免海上運油風險及分散石油供給集中之制約。另以中亞諸國為謀求現實的戰略利益，採行門戶開放及多邊平衡外交策略，使得美國、歐盟及日本等各主要大國力量進入。中國為維護油源穩定安全，積極踐行「走出去」與「多元化」之戰略，其與各大國在中亞的能源競逐仍將持續，同時影響區域及全球政經局勢。 / The importance of geostrategy is obvious for those Central Asian countries, backing the political stage of the world after dissolution of the Soviet Union, in the central mainland of Euro-Asia because of their sensitive geographical location with advantage of abundant energy. At present, those countries are under reforming period and aggressively try to use their innate conditions, especially the resources of gas or petroleum, for development abroad and stabilization domestically to get interests under the impacts of the great nations’ competition and globalization. On the other hand, China is facing on the economy and comprehensive national strength restriction and national security threaten by petroleum importation dependence and economic growth rapidity. Being face the trouble of petroleum security, China, standing on the commanding point of the global energy field, is aggressive to explore energy resources and try to strength energy cooperative relationships with the Central Asian area, neighbor to China and the best choice, having abundant petroleum to support her stable needs. This study is in the point of view, geostrategy, to analyze the trends of geopolitics and petroleum security between China and those Central Asian countries. The purposes including the energy diplomacy content, layout and practice of China in this area, and the opportunity and challenge are being discussed. To sum up, the overall strategic layouts of petroleum in the Central Asian area for China are using diplomacy as backing, public petroleum enterprise as main axis, Shanghai cooperation organization as platform, both and multi sides processings, Central Asian area harmonizing construction by advantage of geography, and multi-resources via building the terrestrial gas supply routes to avoid the restriction of the risk of petroleum shipping and to decentralize the collection of petroleum supply. Owing to the realistic strategic benefits for those Central Asian countries, by open door policy and multi-sides balance diplomatic strategy, some great nations are trying to get in, including the USA, EU and Japan, etc. For assurance of the stable and security of petroleum supply, China is aggressive to conduct the strategies, “Go out” and “Multiplication”, to continue the energy competition with those great nations, and to influence the area and global economic and political situation.