Abstract:Farmers' professional cooperatives are important for promoting rural revitalization and precise poverty alleviation strategies and realizing the organic connection between small farmers and agricultural modernization. On the basis of "process-pattern-mechanism" thinking, we analyzed the spatial and temporal evolution characteristics and influencing factors of planting industry, aquaculture industry, supply & marketing, and agricultural machinery professional cooperatives in 13 cities in Beijing, Tianjin, and Hebei from 2007 to 2013. The number of planting, aquaculture, supply & marketing, and agricultural machinery professional cooperatives in Beijing-Tianjin-Hebei showed an increasing trend year by year, and the number and growth rate of cooperatives were as follows:planting industry > aquaculture industry > supply & marketing > agricultural machinery. The planting and aquaculture professional cooperatives presented the spatial pattern of "two cores and one belt". The distribution of supply & marketing and agricultural machinery professional cooperatives showed obvious gradient characteristics, and the number of cooperatives was as follows:central > southern > northern. Obvious spatial negative correlations were detected among the four types of professional cooperatives. The spatial error model for the planting and supply & marketing professional cooperatives had a better fit, and the spatial lag model for the aquaculture industry and agricultural machinery professional cooperatives had a better fit. Geographical factors, economic development level, and development level of the primary industry all had significant positive impacts on the development of the four types of professional cooperatives. Market demand had the greatest impact on the planting and aquaculture cooperatives, and development level of the primary industry had the greatest impact on the supply & marketing and agricultural machinery cooperatives.