FinTech is a comprehensive term that encompasses various financial activities aimed at promoting financial services to be more convenient，cheaper，more inclusive，and safer in virtue of mobile internet，blockchain，artificial intelligence，big data，and other ways of scientific and technological innovations． It tightly combines financial services with application scenarios in a digitized，intelligent，and secure way． It accomplishes the goals of financial service suppliers for liquidity，profitability，and security，as well as meeting the functional demands of financial service demanders for paying，financing，investment，and trading． Starting from the analysis of mobile internet，big data，artificial intelligence，blockchain，and other emerging technologies and the financial innovations promoted by them，this paper takes the three major business processes of financial services as the breakthrough point． It combs the documents from three aspects: payment and settlement，credit and financing，and asset management services． In addition，the study considers and reflects financial regulation from four perspectives: the reformation of the regulatory concepts，the expansion of regulatory content，the reconstruction of regulatory mechanism，and the innovation of regulatory technology． Finally，it discusses prospects for future research．