The housing price is closely linked to national eco nomy and people's livelihood, it also has a signifi cant impact on the national economic development and social stabil ity. As the housing price is increasing constantly, this problem has become a focus issue that draws public attentio n. This article will predict the house price and it s rationality in the next few years. The question we are discussing can boil down to a binary linear regression problem . Per capita disposable income and building costs are two main f actors that affect the housing price. Here we take Beijing, Anhui and Ningxia as research objects. By using dat a from China Statistical Yearbook which are atteste d to be normally distributed, we get the linear regression equations. In equations, local average house price is used as dependent variable, and the household disposable in come and costs of construction are independent vari ables.