This paper presents a detailed analysis of household portfolios about Beijing. Using aggregate and survey data, we first study major trends about household portfolios in the past 30 years. Second, we analyze the structure of portfolio field about Beijing households and find the proportion about portfolio structure of Beijing households about 4:2:4 in the coming years. Thirdly, through analysis of portfolio structure of financial assets about Beijing household, we find that portfolio of the typical households remains fairly simple and conservative, consisting of bank deposit so that the share of saving and securities is in maladjustment. Finally, we set up error correction model to investigate the relationship between portfolio of financial assets and disposable income.