In this article the thesis of "intellects" and its influence on Sadra's understanding of Quranic verses are investigated and criticized. For this purpose, all Sadra's philosophical and interpretative works are studied and his Quranic interpretations based on this thesis are gathered. Then, in the light of other verses, traditions, rational and verbal circumstantial evidences, as well as features of the intellects, quoted in philosophy, these interpretations are verified. In this research, it is proved that all Sadra's interpretations based on this thesis, but 3 cases are not valid.