Sovereignty dispute between China and Japan over the Diaoyu / Senkaku diaoyu / senkaku Islands Bdilalh cast on a two-state relationships to each other, as their dispute regarding the ownership of these islands cause, as well as their understanding of the economic and security interests associated with them, more tension in the East China Sea. The research on the premise that (the sharp difference in visions between China and Japan on the issue of sovereignty over the Diaoyu / Senkaku Islands, led to the repercussions and effects in terms of relations between the two countries on security and defense policies of the two). In order to answer the research hypothesis. It was divided into, introduction and three sections and a conclusion
A Tue, study studied this question.