The civilizations of the human race connect to each other, and has formed a network. In particular, the global network was built by Islam, Mongolia and European powers. After an era, these networks synthesized the network of every place which had been formed before, and has achieved the globalization of civilization. The Japanese civilization has been always transformed by inflow of the products and the information which was brought from the sea traditionally. By this fact, the Japanese civilization undergoes influence of other civilizations of the world deeply. The Japanese civilization has been linked with the civilizations of the world by connecting with the civilization network.