With the rapid development of finance and economic globalization, financial services become the centre of modern services economy, and play important role in economic and social development to producer services. The paper researched the spatial pattern of the financial service industry in Beijing on the basis of the Location Quotient, equitability index and buffer analysis. The results indicated that:①The financial service industry in Beijing, especially security and insurance industry, mainly happened in central area and suburban inter. It represents as the core-periphery spatial structure pattern in the whole. The central area, including the Finance Street and CBD are the core, and the other districts and counties as periphery. ②The financial service industry spatial distribution is uniform in central area. The number of the financial institution is the most between the area of Third Ring Road and Forth Ring Road in Beijing. ③The spatial distribution of the different financial institution had a large difference. ④Take the finance street as center to make buffer polygon with interval distance of 2km. It can be concluded that the greatest density of financial institution appeared in the 0-2km, the largest number of the financial institution appeared in 6-8km and 8-10km through Study and observation of these ten buffers. ⑤The layout of financial service industry in Beijing is diversification, the different kinds of banks, securities and insurance proves as different spatial structure patterns.