The report includes three parts.The first one gives an overview of the development of internet finance in 2017，comprising of its macroeconomic background and the summary of its development.The second part discussesfinancial innovation，risk management，competition and future trendof internet financial services，Internet financing，new Internet financial institutions.The third part focuses on the regulation and supervision for the internet finance.To sum up，internet finance in China maintained a sound and rapid momentum.In the meanwhile，it is also under great transitional pressure.The continuous progress of emerging financial technologies also has a significant impact on the development of Internet finance in China.