In order to deeply understand the impacts of housing market reform and the rise in housing prices on social mobility, this paper makes a dynamic quantitative analysis of the mobility trend and structure of housing property of Chinese urban citizens for the first time by using the data from eight longitudinal urban household surveys of CHNS from 1989 to 2011. It arrives at the main conclusions as follows: firstly, as for trend, after the housing reform, the level mobility of urban housing property increases rapidly because of the rise in housing prices, but the position mobility reduces, the degree of position interchange weakens, and the family positions at medium or above level is more solidified; secondly, as for structure, before the housing reform, the upward mobility of housing property positions of common technical personnel, workers of stateowned and collective enterprises, and the middle-aged group is strong, and after the housing reform, the housing property positions of senior professional & executives at the top are solidified, and the upward mobility of employees in state-owned enterprises, government entities and government-affiliated institutions strengthens. It enriches related literature of social mobility, and has important guidance to how to increase social welfare and advance harmonious and stable social development.