This paper tries to describe in a tangential way the role of a figure that has been considered to be sometimes enigmatic, imprecise and ethereal, and that has always playe dan important rol, and which is none other than the so–called “ordre public”[public policy]. To do this, we will try to see if there is something new about this concept and what is its relationship with other social and legal sciences. In this sense, we will study the possible links that may exist between “ordre public”[public policy] and social order; in the same way