Hebrew-Persian texts are texts which are Persian in language but have written in Hebrew characters. These texts belong to the third century AD and have been written before the Arabic-Persian texts. This is why many of the phonetic, morphological and syntactical features of themiddle period have been kept in Hebrew-Persian texts.One of the major grammatical features that have been preserved in Hebrew-Persian literature isthe specific application ofprepositionssuch asōandpa(d) in middle Persian manner. Someprepositionssuch as ' b'z find new meaning in Hebrew-Persian texts. Someprepositionslike'zmrare foundonly in Hebrew-Persian literature. Since there are no prepositionsinformalmodern Persian, this study can reveal theevolution oftheprepositionsfromthe middleperiodtomodernperiod. In thisarticle, it is shown how the prepositionswhich had remained from themiddlePersianperiodareaffected bythe formalmodern Persianprepositions andgraduallymiddle Persianand Persian prepositions are replaced bymodern Persianprepositions.