The main purpose of education is to keep the world right order. Education plays a role to minus the difference between classes in the theory of social stratification. More and more research found that family background aims to maintain class inequality through children’s education attainment. On the basis of plenty of research achievement，this review tries to apply sociological theories，such as cultural capital，social capital，economic capital，the resource dilution，the confluence theory，family structure to comb existing research achievement. At last，this review concludes some under-researched area，such as lacking of mother SES，how family background affects education attainment after enrolling in secondary education，how people from different SES families choose education production.