This article takes the problems and essence of the migrant workers’ payment of the housing provident fund(HPF)as the starting point,and analyzes the internal logic of subsidizing migrant workers for the provident fund.At the system logic level,the realization of the goal of HPF system,institution equity,and even social equity need to pay subsidies to migrant workers. At the theoretical logic level,the lack of land development rights,the urban returning to the countryside, the reproduction of migrant workers,and the sharing economy are the lega...