This paper evaluates the diplomatic strategy between Iran and Israel concerning Iran's nuclear program and proposes a diplomatic strategy to pacify the conflict. The paper sheds light on the nuclear weapon issue, which created a conflict of international importance between European Union and Iran. The paper also includes the claims of denying the allegation. In respect to the discussion, the paper gives a closer look at the political agreement that was signed in the year of 2015 with an aim of controlling the usage of nuclear programs.