Western development is a great strategy with overall significance and should be continued. Compared with east part of China, the relative gap between east part and west part of main economic indexes is being narrowed but the absolute gap is being enlarged. Western development has a long way to go and its continuity still needs policy support. Western development should be implemented by overall and periodic plan, making breakthrough with emphasis and overall participation, actively support West Triangle to form new growth pole and continue to accelerate development of the industries with characteristics and advantages and infrastructure construction.