The county-level city is a major support for the economic and social development of the whole province. It has played an important role in relieving the pressure of large and medium-sized cities，driving，guiding and promoting the economic and social development of the county，and it has become increasingly prominent in the economic and social development of Jilin province. The report is based on a deep analysis of the strengths of the city's overall competitiveness and the strengths of the sustainable competitiveness of the county，and to find out the problems，the patterns，and the solutions. We should take the advantage of the county-level city，and achieve leap-forward development.