To foster small and medium-sized cities to dissolve the big cities, promote the urban-rural integration, accelerating the transformation of agricultural population urbanization.At present, our country small and medium-sized cities development is insufficient, how to cultivate the small and medium-sized cities, to promote coordinated development of large, medium and small cities become a problem to be solved.Northeast three provinces, coordinate and implement the innovation seriously the development of the green, open, sharing ideas, to cultivate the small and medium-sized cities as supply side structural reform and important platform for the construction of new urbanization, promote large town sustainable and healthy development, to speed up cultivating new small and medium-sized cities has carried on the exploration and practice, has accumulated valuable experience.But also face the shortage of the small cities development, weak industrial base and construction funds shortage, loss of population and institutional obstacles.Aiming at the problems in the process of the cultivation of small and medium-sized cities, this paper puts forward some countermeasures and Suggestions, in order to quicken the steps of small and medium-sized cities in the northeast of China to foster, thereby promoting the sustained and healthy development of the small and medium-sized cities.