Purpose: Paying attention to the basics of ethics to achieve 
and understand certain guidelines of human behavior is one of 
the necessities of the theoretical field of ethics. 
Epistemological foundations are among the foundations raised 
in the field of meta-ethics, which determine the general criteria 
in the recognition of moral judgments and propositions, search 
for and value epistemological sources and ways. The purpose 
of this article is the epistemological position of moral laws 
according to Professor Jafar Sobhani.
Materials and Methods: This article is descriptive-analytical 
and library type.
Findings: The results showed that Professor Sobhani had 
Shiite beliefs and used the two terms rational and intrinsic 
goodness and ugliness. Why did they use an intellectual place 
and an intrinsic place? The position of ontology that they 
believe that moral propositions are taken from somewhere and 
are somewhere in existence. And they used the term inherent. 
And if the term "good" and "ugly" says intellectually, it 
confronts the Ash'are group, which is the name of this 
epistemological position, the intellect understands and says 
that this is good or bad. The boat is on the shore and the child 
is drowning in the water. Sharia states that taking the boat 
without the owner's permission to save the child is bad and 
considered theft.
Conclusion: Shia says that priority must be given to saving 
the child and then ask for the consent of the owner of the boat. 
Professor Sobhani is a supporter of intellectual goodness and 
ugliness and believes that the intellect has the power to 
distinguish and in Sobhani's epistemology, they believe in 
intellect one hundred percent.