With taking shape of route of efficient economic organizations, we analyze the profound mystery of the economic modernization of Japan. At first, we analyze the characters of the enterprises in microeconomic fields. For the development of speciation, collectivization and alignment of the enterprises. have taken shape Then, we discuss the surroundings of the enterprises: the contributions of folk economic organizations and the Japanese administration in ma croeconomic fields which include industrial policy, economic plans and gyosei shido. In short the Japanese Model is the product of given historical stage.