In the process of rapid urbanization, the pace of urbanization has failed to be improved and inherited. On the contrary, the speed of destruction of human settlements in small cities has been accelerated, and the degree of damage has been aggravated. The ecological environment of small towns has been seriously deteriorated, and the regional development has been seriously affected limit. The study on the synergistic optimization of the architectural style of small towns in Xihaigu area of Ningxia not only helps to alleviate the contradiction between human settlements in Ningxia, but also provides references for the construction of small towns in northwest China. This paper studies the collaborative research framework of the small town style from three aspects, and tries to establish the suitable construction mode of the small town building style, and promotes it through the establishment of the architectural style control guideline.