Background and purpose: The manifestation of insight is the innermost part of every human being, and it plays a role in inner purity, which is considered a virtue and plays its role as a strong shield against evil temptations and worldly slips. And this inner purity is like a light that God places in the hearts of believing people; As a result of being exposed to this divine grace, there are factors and roots that must be paid attention to; Including: Earning a living is halal.

Materials and methods: This research, using verses, narratives and books related to them, aims to explain the effect of a halal day from the perspective of religious teachings, which is in strengthening religious insight centered on epistemic indicators. This research was carried out by the method of library study and the necessary information was collected, analyzed and analyzed; Therefore, the research method in this article is descriptive-analytical.

Findings and conclusions: The findings of this research include; Religious insight based on religious teachings has characteristics, the most important of them in this research, based on verses and traditions, with the focus on cognitive characteristics, are; Self-Knowledge, God-Knowledge, Imam-Knowledge, Resurrection Knowledge, Intellect and Qur'an-Knowledge, and also the connection and impact of a Halal diet has been explained in epistemic indicators.