Land use The evolution of urbanization in Iran has always had some ups and downs. How even, the changes in urbanization in the past 50 years have been so different. In the period, urbanization has monthly been influenced by government's policies and plans. The government of the Mashrouteh Revolution and the commencement of land amendment policy depend totally an oil income. A major part of income expend through oil invested in big cities and influenced the economy of the cities. Government's polices/plans and measures in land and housing sector in addition to other kinds of attraction in big and small cities lead to sprawl and disorganized expansion in most of the cities of the country. Masal is one of the cities that was deeply influenced by government polices often the revolution and especially after 1370 its population and size substantially. The city is located on agricultural land. This is be come of government policies construction work. The present article has tried to show the government policy effects on different aspects physical Growth in Masal city through description and analysis on library research and document survey.