In view of the insufficiency of basic data of affordable housing space and the lack of effective parameter selection and translation technology that can be used in planning, the spatial-temporal distribution of data can be visualized through the collection of open-source data such as urban rental price and low-income people's work place .It plans the goal-oriented call of data and summarizes the statistical analysis method of monitoring data of a large number of low-income people's residence with spatial distribution and time distribution.