One of the most important aspects of recognizing any poet's style is studying his imitation from former poets. In history of Persian literature, the more literature establishment passes, the obvious imitation of poets from former ones it is. This develops in nine century's poem due to failing Persian poetry in innovation and relative stagnancies governing literature and because of the excessive attention of poets to their formers, Ebn Hesam khousfi (875), a distinguished and shia poet of ninth century, is one of those poets following khorasani and Iragi poets especially in sonnet and ode and a great deal of his creativeness has been reflected through this way. Evaluation of amount and the way poet get influence from former poet's style is the topic of the present paper. this paper shows that one of priorities of Ebn Hesam in his composing is meditating in style of former poets Like Roudaki, Ferdowsi, Naser Kkosro, Masoud sa'd, khayam, sanaei, Anvari, Zaheir faryabi, khagani, Nezami, Atar, kamaledin Esmaeel, movlavi, fakhrodin Aragi, sa'di, Hsan kasha, khaju, salman, Hafiz and Katebi Neishabouri and his imitation in more in rhyme, rwo, theme and sometimes using their poems in his tents.