Presenting a ladder model for the process of regional convergence, and explaining its different phases, the present article studies the major differences between neo-regionalism and classical regionalism. Regarding five positions - regional space, regional assemblage, regional society, regional community, and regional institutionalized political assemblage - and considering the present situation, southwestern Asia stands in the second phase, i.e. regional assemblage,; and to provide it with negative peace rather than positive one is of priority.This is the main idea of the present article which surveys the main strategies of Iran’s foreign policy in this regard in order to find suitable solutions.