First of all, the paper through The United States and Thailand’s history since the two countries establishment of diplomatic relations to analysis of the U.S.-Thailand relationship development under the different historical background and summed up the important rule. Then, the paper discusses on the changes and development of U.S.-Thailand relationship after The United States put forward "the asia-pacific rebalancing strategy", summarizes the new characteristics of U.S.-Thailand relationship. At the same time, refer to the important rule to analysis of the main reason which lead the U.S-Thailand relationship broken in the background of "the asia-pacific rebalancing strategy". At the last, the paper according to The United States and Thailand’s domestic political situation,also consider the competition between China and America around the world, then looking forward to the relationship between U.S-Thailand in the future.After the asia-pacific rebalancing strategy put forward by Obama administration, the new round of America global strategy adjustment caused wide attention around the world. From its existing strategy deployment, we can conclude that the asia-pacific rebalancing strategy’s main purpose is to stop or delay the momentum of China’s rise, balance China’s growing regional influence in Aisa, ensure the United States to keep control of global affairs in 21th century. Instead of relying on a large number of financial aid and implement values diplomacy, this round of "return to Asia" plan to spend more time focused on the military field. Through stirring hot issues in this area, manufacturing region nervous tensions between China and other countries, then based on these excuse to strengthen military power in Asia and try to reconstruction its asia-pacific alliance system. The specific approach is:first, strengthen the military alliance with traditional Allies. Second, push the paramilitary Allies to become Allies. Third, gradually drew other relevant countries in dispute. And try to create a kind of situation:America and its Allies is a party, China is the other party, the other neutral countries close to the United States. Form a pattern of confrontation in the end. From the latest progress, the U.S.-Japan alliance, U.S.-Korea alliance, U.S.-Philippines alliance, U.S.-Australia alliance all has been strengthened. U.S.-Singapore paramilitary alliance is becoming like military alliance. U.S.-Vietnam relationship and U.S.-India relationship get better. But, as a important part of asia-pacific alliance system, U.S.-Thailand relationship not only been strengthen after the asia-pacific rebalancing strategy, but also between The United State government and Thailand government generates a lot of friction. U.S-Thailand relationship is falling.As the oldest partner in southeast Asia, Thailand has been established the diplomatic relations in 1883.After western colonial system collapse and the two world wars, U.S.-Thailand relationship reach the top in cold war, The United States get against with The Soviet union. After the cold war, U.S.-Thailand relationship backward in very short period of time. But, after the 911 event, U.S.-Thailand relationship strengthened because they counter-terrorism together. When the asia-pacific rebalancing strategy put forward, America hope Thailand can play a strategy roll in China’s southwest, but Thailand refused to join this strategy because Thailand-China relationship also good. The United States was very disappointed to Thailand. After Thailand military coup 2014,the United States government criticized Thailand military government undemocratic and then let Thailand government discontent. Thailand government against the United States government in different international conference, even affected the asia-pacific strategy implementation. As a response, America adjust the strategy. On the tactical, America deliberately alienation and isolation Thailand and take the symbolic punishment methods. As a result, Thailand society anti-America sentiment highly, U.S.-Thailand relationship in the test. Looking from the reality, the U.S.-Thailand relationship could be happen historical turning point. |