This paper aims to consider the rerationship between public housing estate and its surrounding area, from view point of changing of residence. Some conclusions are as follows: 1)The tenants who have children, tend to move to private rental housing in the same ward. 2)The tenants who emigrated from the public housing in the same ward, tend to up their residential enviroment. In the view point of this paper, it is important to consider the linkage program between public housing estate renewal and improvement of private rental housing which located surrounding residential area of public housing estates.
