One of the most extensive areas of Persian 's poem is the range of lyric poems and in this meanwhile, the most considerable part of such area is allocated to the romantic masnavi of Persian’s poem . The aim of this study was conducted to compare the two romantic stories of Persian's poem which one of them is Layla and Majnun poem belongs to the famous poet of the Persian language - Nizami Ganjavi - and the other is Layla and Majnun poem which is a poem's work belongs to Ghasemi Gonabadi who is such a good theoritests of Nizami in the tenth century AD . He has been written his masnavi of Layla and Majnun to emulate by Nizami. In this article, after the introducing of two poems and offering one summary of them into prose, the comparison of these two works has been conducted in the terms of the structure, content and stylistic- language. In addition, this article has been mentioned just in passing to the othertheoritests oin the tenth century AD who imitate Layla and Majnun by Nizami.