In this article we will definite development and its purposes and also introduce main elements of national development. Not with standing, desire of personal and social of grow and develop is one of the common trait in each society, but ideal and extremity in each of them are completely different .However nowadays the meaning of growing and developing is economic in special scales for welfare in country. As a result welfare wont come off, unless with designing and performing in all aspects development with realization of social justice in society and however performing of social justice will bring economic welfare with it self. Although movement of national development has humanity, economical, culture, social and political. Aspects, but, human is main care and pivot in different prospects, and until human doesn’t get a minimum of development disillusion, exploit of other aspects of development isn’t possible. Development of human being is like a bridge for escape of a bulic to animus, disorder to order, division to unity, and insecurity to security; Under employment to improve working, move to community .For resistant expansion we introduce five pillars as columns of nationality development in this article and also them roles in national development in this process. Educational system, Researching system, management system, value system. National security system. Also the process of development needs some devices as connections, transportation, and energy.