As the first important controversy in the history of islam,Imamate made the first religious sects and branches among the Muslims The most important Shia sects of shia IthnaAshari,Since its founding,the Ismaili sect and the Zaidiyyah the political life Social and continue. Imagine that each of these two categories of Imamat, during the first centuries of islam. This article is based on Relying on historical method,talk to Imamat Two approaches to the implementation of the Ismail sect and the Zaidiyyah examine. Research findings suggest that the two sects to the Imamate Leadership imate were not believed to be problem,But from the time that those other than Prophe as the ir leader Imam chose Areas gradually became apparent deviation between them
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