Since 1993，the German federal government and the state government started to implement the cluster policy，and made the innovation cluster policy gradually become the core of the science and technology policy，the innovation policy and regional policy，with simultaneous attention to the coordination with the cluster policy of science and technology and innovation in EU. The cluster policy has been guided by the High-Tech Strategy of federal government since 2006，in which the program of “Leading Cluster Competition” has achieved considerable successes. In the mean time，on the basis of the achievements so far，the federal government started to make the internationalization of innovative clusters as the new goal of the cluster policy. and launched the program of “Competition of Internationalization of Leading Clusters” for it. The cluster policy aimed to enhance the cross-regional cluster cooperation in the EU，therefore the government started the competition of “internationalization of leading cluster”，and built the world-class innovation clusters through strengthening the transnational cooperation between clusters in the EU in order to complement resources of innovation.