Four urban clusters have become the primary carriers of urbanization in Sichuan according to resource and environment capacity of the main functional are. By improving comprehensive and transformation development，to build Chengdu Plain Cluster the core growth pole of west China，leader of inland open economy and one of the most competitive urban cluster. Prioritized tasks for South Sichuan Urban Cluster are to promote the comprehensive carry capacity of regional central cities and fasten the development of medium and small cities. Differentiated urban development is the key point for Northeast Sichuan Urban Cluster. The core point for Panzhihua-Xichang Urban Cluster is to improve urban construction level，reinforce the protection of eco-environment and reservation of ethnic culture.