外交承認和政府間國際組織的參與，是國際社會接納主權國家的重要指標。政府間 國際組織的成員未必盡然以國家為主體，然在彰顯國家主權仍有其意義。本文首論中華 民國1971 年後參與政府間國際組織困境之起因。次論台灣近四十幾年來，面臨全球化 潮流與新興國際組織的蓬勃，在主權理論檢視下的轉變，積極參與政府間國際組織；第 三，介紹兩岸關係的變化對台灣參與政府間國際組織的影響；第四，論述兩岸參與政府 間國際組織的現況，最後，提出結論與建議，強調主權互賴理論為可資運用的途徑。

The diplomacy recognition and participation in inter-government organization (IGO) both are important indexes of sovereigns accepted in international community. The members of IGOs are not necessary to be states but apparent to prove their sovereigns. this article states as following: first, the cause of Republic of China (ROC)’s dilemma in IGO participation aroused from the Taiwan’s losing the seat of United Nations (U.N.) in 1971; secondly, ROC has faced the impacts of globalization and new IGOs in the recent forty years, therefore trying to get out of the dilemma in IGOs participation under the inspections of the sovereign theory changes unto interdependent sovereign; thirdly, the different stages of Cross-Strait relation heavily influence ROC’s participation in IGOs; fourthly, the co-existing IGOs of PRC(People’s Republic of China) and ROC are discussed; finally, conclusions and suggestions are provided to emphasize interdependent sovereign for pathway in ROC’s IGO participation .