Abstract: Building Qujing into a sub-central city in Yunnan is not only the only way to promote the socialist modernization with Chinese characteristics and meet the needs of Qujing people for a better life, but also the objective requirement of high-quality leapfrog development of Yunnan's economy and society. To build Qujing into a sub-central city in Yunnan needs to complete the urban population aggregation, expand the urban economic strength, activate the urban endogenous power, and improve the urban radiation capacity by doing a good job in the top-level design, building an effective promotion mechanism, striving for the support of superiors, and expanding a new space for opening and cooperation key engineering tasks such as enhancing the ability of urban sustainable developmenton the basis of clarifying the urban functional orientation and development direction.

Key words: provincial sub-central city, eastern growth pole, radiation driving ability