Intertextuality is one of the most famous theories among literary theories that examines the relationship between texts. According to this theory, each text owes its predecessor texts. Since Persian poetry has had a deep and inseparable connection with previous works in different periods of its life, there are many fields of intertextual studies about it. In this research, Riffaterre's theory about hypogram has been considered and by examining the hypograms of the sonnets "The time of Adam, Getting drunk, Now Ghazal and Chelgi" from the book of flowers, all are sunflowers, Qeysar Aminpour and Comparing its equations with Hafez's poems, an attempt has been made to measure Aminpour's use of Hafez's sonnet poems. As a result of this study, we found that Aminpour, while composing his poems, consciously used the compositions and words of Hafez's sonnet poems, which he had previously studied and had engraved in his mind, and this kind of intertextuality was definitely Has come. By recognizing the hypograms in Aminpour's selected poems, it is possible to better understand and receive his poetry; Because, better understanding and familiarity with these poems is possible provided they know the hypograms.