Using tracking survey data of China's Rural Fixed Observation Points from 2003 to 2015, this article investigates the effect of labor mobility on rural divorce rate from two aspects, namely, the composition and space distance of labor mobility.The study finds that labor mobility, especially labor outflow, can significantly hurt rural family marriage stability and increase the divorce rate. Moreover, the shorter distance the labor outflow, the higher the divorce rate in villages. With the increase in flow di...