Product innovation and marketing strategies of financial investment banks in emerging markets are crucial methods to ensure the competitiveness of financial investment banks.In the current economic environment,an increasing number of emerging products are appearing in the market.Finding ways to optimize advantges of investment banks through product innovation and strengthening marketing approaches to enhance product promotion are crucial concerns for financial investment banks.Therefore,this paper explores the synergistic effect between product innovation and marketing strategies,examines how product innovation assists financial investment banks in gaining a competitive edge in emerging markets.It delves into the development direction of financial investment banks in emerging markets,aiming to foster the stable and sustainable growth of financial investment banks in the current economic landscape.