Through the analysis of the influence factors of demolition about city housing, such as city planning, government behavior, economics urbanization rate, per capita income and market etc, based on the logical relationship of many factors, the hierarchical structure model is constructed by AHP, using the numerical analysis method to sort the weight coefficient of each factor, and the importance of the influence of various factors are divided, countermeasures are put forward to adapt to solve all kinds of problems in city housing demolition, meanwhile as the reference for researchers to provide a scientific and reasonable comprehensive evaluation method.