Due to adjustment of national policy，Mianzhu city has become a resource-exhausted city. Contradictions in economic development and social stability suddenly appeared in short time，causing great pressure on social and economic development. Mianzhu city is still in the middle stage of the industrialization of economic development. The three industrial structures present typical “two three one” characteristics. According to its industrial development foundation，through the implementation the “relying，extending，surpassing，integrating” transformation and development strategy，creating the “334” industrial layout，constructing the “1+N” modern service industry system，and adhering to the transformation policy of “strong industry city”，exploring the development path of “service for the city”，and it is finally to reach the goal of achieving a comprehensive upgrade of the industry.