In the prefecture area, the rural area is made up of gochin, and the rural area is connected to the prefectural castle. Economic activities of each section, such as production, distribution, exchange and consumption, are basically conducted in a certain regional range. At the same time, the difference between history, nature and social conditions is that the economy of each prefecture generally forms its superiority. Includes regional dominance, the humanities dominance, and industry superiority. It is necessary to observe the principle of the cause system in order to develop the prefecture economy in the regional characteristic of the regional economy.