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Simin Behbahani is one of the contemporary ingenious and efficacious poets. In her New-Sonnets (Nou-Ghazal), the frequency and variety of allusions are too many, so that the allusion is one of the most striking features of her poetic style. Accurate understanding of semantic capacities and structural concinnities of the word, which has allusive theme, depends on being familiar with meaning and concept of allusions on one side, and knowing the structure of allusions and methods of applying them on the other. Because of the importance and necessity of studying the methods and techniques making depth, affection, and intellectual, cultural and semantic development of allusions in order to better identify and understand the capabilities, elegances and semantic and structural measures of New-Sonnets of Simin Behbahani and the role of these factors in the creation of literary enjoyment, the main goal of this paper is to analyze the structure of allusion and also sorts of using it on the vertical axis of imaginations in New-Sonnets of Simin Behbahani. The results show that allusions used in poems of Simin Behbahani, have varieties in construction from single and complex words to the spread and vast allusions on the entirety of the vertical axis of Sonnets. Overall, in new-Sonnets of Simin Behbahani, the allusions are represented on the vertical axis in different kinds and methods such as parallel allusions, integrative allusions, comparison allusions, Molammah, structural allusions, debate allusions or allusive debate, incarnative allusions, etc. some of these methods especially in the vertical axis, are rare or unprecedented.