Different schools in interpreting the Holy Qur'an have emerged over time, as is the case in other sciences. The exegetical works of the interpreters in the Islamic Seminary of Qom and their methods in the previous century can be referred to various interpretive schools. This article tries to identify the important and noteworthy interpretations of scholars of the Islamic Seminary of Qom in the last century and to discover and analyze their interpretive method and principles to introduce their interpretative school and analyze them. According to the result of this research, the commentators of the previous century of the Islamic Seminary of Qom follows three different schools of interpretation: 1. The interpretive-deductive (ijtihadi) school of interpreting Qur'an by Qur'an, in two extreme and moderate forms; 2. The narrative-deductive school of interpretation; 3. The relatively comprehensive deductive school of interpretation.