In poems of the two British poets, Ernest Dowson″EXILE″ and Thomas Hood ″THE EXILE″and Derek Walcott ″EXILE″, American poet , In order to explore these poems and analysis it through philosophy and technics of poets , will make use of the theory of postcolonialism to explicate the poems in question more fully and to trace the reflection of the diasporic impact on the their writings. And analyze the role of social, cultural and psychological factors that let the poets fluctuate between both their loyalty to their lands and rebellion against evil machinations. the role of the expatriate poetry and poets in exile to manifest the human identity and passion in the hardest circumstances, diasporic traits. One the one hand the exile poet exposes his love of his real love for the original land, gives slip to the evil machination that costs him dear and expresses his passion in finding solace in the poems in question on the other hand. In the Diaspora life, one strives to have an entity for himself for a permanent home or refuge; it is a hard mission and a double edged sword, whether to curb the panegyric overtones or to lay the blame finger on the real existing evil axes. analysis poems :As a poet in exile, • A sense of negation • The poet′s memory •The poet′s inner voice •Effects of exile on poets and poetry. •Their poems discuss conception of the function of poetry and the message of the poet, relating this conception to his rebellious techniques.