盧武鉉總統自 2003 年上台以來，以韓半島南北韓乃至東北亞的和平繁榮為由，實施了以自主、平衡及務實外交為主的和平繁榮政策，擺脫以往對美國的過多依附，尋求確保在東北亞國際關係格局中戰略的靈活性。韓國的和平繁榮政策在韓中關係發展上起了積極作用，盧武鉉政府為實現和平繁榮政策的目標，進行與中國全方位的交流合作。韓中兩國因為互為需求維護與加強兩國共同利益，首先，通過兩國經濟互補性讓兩國的經濟更加發展;其次，為維持韓半島與東北亞的穩定，在北韓核問題與六邊會議框架中密切..

Since president Moo-Hyun Roh took office in 2003, Roh’s administration applied the Policy of Peace and Prosperity, which upholds to sovereign, balanced, and pragmatic diplomacy, on the grounds of peace and prosperity for DPRK and ROK in Korean peninsula and Northeast Asia. The administration got rid of excessive dependence of the U.S in the past, and sought to establish strategic flexibility in the Northeast Asian relations. The Policy of Peace and Prosperity played a positive role in the ROK-PRC relationship. ..

本文以 Victor D. Cha 之日韓準同盟理論分析，探討日、韓雙方在東海油氣田爭端上不斷出現合作與衝突局面擺盪的特性。由過去日、韓雙方在東海油氣田爭端上之互動，可以看出以下的特性:(1)在雙邊關係上，當日韓兩國所面對的「拋棄」或「牽連」的不安感程度為「不對稱」時，如 1972 年 美國總統尼克森訪問中國之後，日、韓之間因此而產生衝突，並促使日韓各自試圖與中國合作;(2)當日韓兩國面對的「拋棄」或「牽連」的不安感程度為「對稱」時，如 1977 年美國總統..

This research analyzed the characteristics of repeated cooperation and conflicts between Japan and Korean over disputes of the East China Sea oil and gas field based on the Japan-Korea quasi-alliance model of Victor D. Cha. In previous disputes over the East China Sea oil and gas fields, the characteristics of Japan-Korea interaction are organized as follows: (1)When the instability level of abandonment or entrapment faced by Japan and Korea in their bilateral relationship is asymmetric, conflict arises between Kor..