Collaboration on poverty alleviation between the eastern and western regions is an important way to promote poverty alleviation in poverty-stricken areas and to encourage regional coordinated development in China. Taking Beijing and its paired supporting poverty-stricken counties in Zhangjiakou， Chengde and Baoding regions as research subjects， this article summarizes the implementation path and operation mechanism of industry cooperation for poverty alleviation between donor and recipients， and then puts forward a long-term mechanism and specific countermeasures of Beijing-Hebei industry cooperation for poverty alleviation in the new period. The research results show that firstly， with the synergy of Beijing-Hebei industry cooperation for poverty alleviation， Beijing enterprises， taken as the main body of cooperation， help the recipient side to cultivate and expand their industrial system by precisely inputting collaborative elements in different links of the industrial chain； secondly， exogenous factors including the new opportunities， new ideas provided by the donor areas and spatial relationship between the donor areas and recipient areas， and the interaction between endogenous factors including the recipient areas'' own factor resources， collaborative resource elements and their allocation ability， jointly advance the positive interaction between the donor and recipient''s collaborative support and poverty alleviation； thirdly， to build a long-term mechanism of Beijing-Hebei industry cooperation for poverty alleviation from the aspects of enhancing the precision and sustainability of industrial poverty alleviation， exploring the market-oriented enterprise assistance mechanism and strengthening the deep integration of Beijing， Tianjin and Hebei.