The peasant household is basic and microscopic organization at agricultural production in our country, at present, the consistent academic view that implements moderate scale on the base of maintaining the basic institution in rural. This article thinks vigorously develops the modern peasant household is main way. This article thought Modern peasant households have such three characteristics as appropriate scale of managing, specialization and Socialization of production, Mercerization of transaction. But, it development still relatively lags behind, so we should structure the mechanism of Division and combining to develop it.