RTA差异是FTA谈判的基础。日美TPP双边谈判是影响TPP发展的重要环节。通过对日美两国RTA指数的计算和两国TPP谈判内容的分析表明,日美两国在部分敏感性产业方面存在RTA差异,这些差异直接影响着两国TPP谈判及其进程。日美TPP谈判是基于RTA差异的攻防博弈,其过程由于固守RTA利益而难以达成共识。 RTA differences are the basis for FTA negotiations. Japan and the United States TPP bilateral negotiations is an important part of the development of the TPP. Through the calculation of the RTA index between Japan and the United States and the analysis of the contents of the TPP negotiations between the two countries, it shows that RTA differences exist between Japan and the United States in some sensitive industries, and these differences directly affect the TPP negotiations and their progress between the two countries. Japan-US TPP negotiations are based on RTA differences between the offensive and defensive game, the process of sticking to RTA interests and difficult to reach a consensus.