The present study has intended to describe, produce and reproduce justice based on the three sources of Islamic political system, for macro policies and the effectual role of justice in social development and political and social decision making. The conceptual and theoretical basis of the research topics is based on Islamic thought and Imam Khomeini's view in his books of "Sharh-e hadith-e Junud-e `Aql wa Jahl" and "Sharh-e Chehel Hadith". As understood, on Imam Khomeini's thought, human has existential tensions, including: wisdom, soul and body, and religion includes beliefs, ethics and feqh. Therefore, the paper seeks to explain the levels of justice in three axes of belief, ethics and feqh, as well as their impact on each other.