Purchase and rental housing is urban residents to achieve two major means of housing consumption. This paper combines with Xiamen City real estate leasing market, and puts forward influencing factors that a non-Xiamen household registration population purchase housing behavior, through field survey. At the same time, application of Logit model of influencing factors were regression analysis and hypothesis testing, expected prices, housing ownership, migration possibility, work stability, in Xiamen living time, the purchase of the first payment affordability is a significant positive impact factors.