本研究認為2001-2006年小泉首相上任期間為日中關係的調整期，其間日中關係主要原因在於東北亞安全造成兩國友好關係下降，直至2006年安倍首相上任才漸趨轉好，但2001-2007年間日中最為白熱化議題分別為根本性的「歷史認識問題」和實際問題「東海資源問題」。 為了瞭解日本國家利益和其外交政策，有什麼樣的「主僕關係」，本文期待藉由日本對中國的外交政策，去探究日本的國家利益為何，進而瞭解日本的外交政策。 最後，本文利用紐克南特的「國家利益」分析架構，探究在日本的外交政策中的國家利益，發現日本在推動其核心利益「正常國家」的基礎上，首先注重基本利益「維護日本的安全與穩定」，其中考量因素分別為：1.對日本世界信譽及聲望之影響；2.對主要盟國的及聯合國的支持；3.日本人民的歷史感情。在這些國家利益的考量上，日本在不同的首相和時期可以依造不同的利益程度，訂定不同的外交政策。 This research thought 2001-2006 year Prime Minister Koizumi taking office period for the Japanese and Chinese relations' regulatory period, during the Japanese and Chinese relations primary cause lies in Northeast Asia to cause the both countries friendly relations to drop safely, Prime Minister Abe takes office until 2006 to be turn to better, but during 2001-2007 years in date most serious subject respectively be fundamental ＂historical understanding question＂ and actual problem ＂East China Sea resources question＂. In order to understand that Japan national interests and its foreign policy, what do have ＂both of the master and servant in relation＂, this article anticipated that what cause in Japan to China's foreign policy, and what Japan's national interest in her foreign policy. Finally, this article uses Nuechterlein ＂the national interest＂ the analysis model, inquired into that in Japan's foreign policy's national interests, discovered Japan in impels her core benefit ＂the normal country＂ in the foundation, first pays great attention the basic benefit ＂to maintain Japan's security and stable＂, considers the factor respectively is: 1. Japan's world prestige and her prestigious influence in the world; 2. The main allied country and United Nations General Assembly's support; 3. Japanese people's historical sentiment. In these national interest's consideration, Japan may depend on different prime minister and the time makes the different benefit degree, schedules the different foreign policy.
