【Purpose/significance】Socialism with Chinese characteristics has entered a new era. The external gravitation and endogenous power of financial supervision have undergone profound changes. The information island of financial supervision has become a stumbling block for financial to serve the entity economy, realizing financial risks and strengthening financial reform. Breaking the information island of financial supervision and designing a new socialist financial supervision system with Chinese characteristics in the new era is a powerful guarantee for building a well-off society in an all-around way, basically realizing socialist modernization, and building China into a prosperous, strong, democratic, civilized, harmonious and beautiful socialist country.【Method/process】This paper combs the theme and content of China’s financial work conference, analyses the balance between financiers and financial environment, further explains the effect of information island on the efficiency of financial supervision, and finally puts forward corresponding countermeasures and suggestions on information sharing, regulatory boundaries, regulatory levels and so on.【Result/conclusion】We should focus on building an information sharing mechanism among financial markets, fully adjust the elasticity of regulatory boundaries between financial departments, and strive to reshape a multi-level financial regulatory system.