| In recent years, China’s economic development is extremely rapid, at the same time, science and technology has also made a more significant achievement. To a certain extent, the development of science and technology indirectly promoted the development of China’s Internet financial industry, not only the financial business in the application model has been a huge breakthrough in the efficiency and cost, the Internet financial application model also made a more significant At the same time, the continuous innovation consciousness brings the catfish effect to the financial industry, which makes the commercial banks have to reform. Therefore, based on the analysis of the impact of internet financial development on the profitability of commercial banks, this paper combines the Internet financial innovation concept, divides Internet finance into financial Internet intermediary service, Internet extension of traditional financial service and Internet Financial services three models were described, analysis of the characteristics of the Internet finance and theoretical basis.In addition, the paper will focus on the assets and liabilities of commercial banks and profits above, according to the relevant data show that Internet finance has gradually penetrated into the bank’s three core business "deposit, loan, exchange" in all aspects, Internet financial companies try to commercial banks to pay the business to squeeze, deposit diversion to reduce the amount of commercial bank liquidity. However, the continuous innovation of Internet finance has brought the catfish effect to the financial industry. In view of the effect of this effect on commercial banks, this paper does not focus on research, but in essence, commercial banks have played an important role in Internet financial development. The role of the business can not be ignored indirectly led to a lot of changes in the way commercial banks have been operating:for example, the physical network points more emphasis on customer sinking, electronic channel business replacement rate increased significantly, products, service model richer, these operational changes expanded The market scope of commercial banks has increased the customer stickiness, reduced the cost and raised the profit. Thus, the development of commercial banks’ own Internet finance has improved the profitability of commercial banks.In order to verify the above theoretical analysis, this paper establishes a panel data econometric model, taking commercial bank assets return as the dependent variable, and chooses the data of 13 major commercial banks from 2006 to 2015 for empirical analysis. It is concluded that the Internet financial business under the development of large data will hinder the development of commercial banks to a certain extent. This potential negative impact is not easily discovered, but it can not be neglected to improve the financial internalization of commercial banks, To a large extent to promote their level of profitability.With the help of relevant empirical analysis, combined with the effective theoretical concepts, using the combination of qualitative and quantitative analysis methods, this paper draws the following conclusions:Nowadays, commercial banks must develop advanced financial management thinking and improve their profitability., Vigorously develop the Internet finance. Internet finance and commercial banks, on the surface, is a kind of competitive relationship, but its essence, the purpose of the two similar, so the two in some respects can strengthen cooperation and mutual promotion.At the end of this paper, based on the research results of this paper, the author puts forward some effective reform proposals on the basis of deepening the personal responsibility of commercial banks in order to improve the commercial banks’ own advantages and make them in the fierce market The competition can seek a place, so as to better contribute to the development of China’s financial industry. |