With the rapid development of science and technology, the application of new technology has become the key to the upgrading, transformation and innovative development of commercial banks.Com-mercial banks use technological means to make their financial service products more refined, scenario based, and intelligent, thereby improving their profit levels.In order to explore the impact of fin-tech on the profitability of commercial banks, the data of 11 commercial banks from 2011 to 2021 are taken as sam-ples for empirical analysis.The empirical results show that the fin-tech level of commercial banks is posi-tively related to its profitability, and the development of fin-tech has improved the profitability of commer-cial banks.In view of this, commercial banks should integrate with financial technology for development, transform their original business models, optimize business processes, and obtain more significant econom-ic benefits.