ABSTRACT Persian Gulf, strategically and geopolitically, is one of the most important zones. Leaving this area, England colonizer left so many problems to littoral and co-frontier countries. One of them was the relation of Iran and United Arab Emirate which is always influenced by legal condition of triple Islands, Abomusa, Tonb-eBozorg and Tonb-e-Kochak. Emirate has complained in most conferences and councils especially Persian Gulf Cooperation Councils. Pacifying Emirate authorities, depend on Iran's political-economical position in its relation to international system, leaders of Cooperation Councils have profited by issued statements for reproaching Iran in possessing triple Islands and the way of their governing. This paper not only is searching for the condition of triple Islands from view point of historical record, geographical location, Britain and Iran dissensions and circumstance of inheriting this problem, but it also tries to find a solution of improving the relation of Iran and Arabia, as an older brother of United Arab Emirate, within the framework of Persian Cooperation Council. By regional balancing method with Saudi Arabia, creating of common security regime, applying of menace less method, Iran can solve triple Islands issue according to two Emirate's Sharjeh and Rasolkheimeh with United Arab Emirate