【摘要】Residents' financial assets are main components of a nation's savings.In the one hand,they are the source of capital for the expanding reproduction,and in the other hand,they are essential factors to decide residents' living standard.The thesis gives theoretical analysis from micro point of view to the causes that help forming the residents' financial assets,and the factors that affects the volume and structure of a family's financial portfolio;and then constructs the econometrical model of volume and components of a family's financial assets.In the case of Sichuan province,the thesis conducts empirical research,and reached some conclusions.