The development of Japan's innovative economy is a inevitable result from the combination with affirmative government and developed market. Japanese policy system on innovation economy is composed of Legal System, Developing Strategy, especially the central government's new growth strategy, and related Administrative Support Programs. Specifically, legal system provides a suitable external environment for policies implement, developing strategy based on the trends of modern economic theories evolutions, leads the directions of innovation models and the key to phased goals. On this basis, administrative support programs accelerates the development of innovative economy. <<