Social confidence is a concept that plays a vital role in human relations and interactions and like a lubricant, makes the spinning of the social links’ wheels easier. On this basis it can be said that confidence is a facilitator for social interactions. This study is formed with the aim of achieving the concept of social confidence in Emam MOSA Sadr’ s system of philosophy; in this regard, has studied his works that are the achievement of coexistence religious leadership experience in a society made up of various religions and cults and has concluded that to Emam MOSA Sadr’ s opinion, social confidence produces with “ human dignity” component, learnt and internalized in “ family” and spreads in society by “ religious thought“ , “ morality” and “ wilayah” components. Also, “ justice” makes the society reliable by its function, and “ confidence” is fixed by support and strengthening of “ patriotism” and “ conversation” components. In Sadr’ s idea, in the existence of social confidence, a dignified, prominent and firm society, in which merits and talents grows and “ corruption” and “ hypocrisy” vanishes, will be instructed.