In this paper, we (the writers) try to analyse the concept of ''examination and trial'' in ''Khosrow'' & ''Shirin'' literary work of Nezami, together with effects and requirements. The examination and trial means to test or; and in Quran culture it refers to sets of continuous programmes which are about human being and his function and behaviour.In this literary work; Nezami causes ''Khosrow'' and ''Shirin'' to be exposed to several examinations, such as love, separation, power and etc.This paper starts; with presentation of the background of examination and trial,. Then it goes by citing the history of examination and trial in Quran, and anecdotes of Innocents and philosophical texts dealing with the studying the examination and trials existing in literary work of ''Khosrow'' & Shirin''. And with purifying ''Khosrow'' & ''Shirin'' story we study the present examination and trials.Ultimately, we, conclude that in this literary work (Khosrow & Shirin), Nezami has purified their loves through examination and trial, Nezami fosters these two characters and purify their loves by changing their lustful loves to a heavenly and purely love.