In recent years，the rapid development of Internet finance has brought many risks while achieving major economic achievements. The domestic academic has done a lot of research on Internet finance，but it is short of research on Internet financial risks. At first，the paper analyzes the concepts of Internet finance. Then，the paper reviews the overall risks of Internet finance，and the respective risks of different types of Internet finance in current. And also，the paper analyzes the existing risk prevention methods and the existing regulatory practices. At last，the paper puts forward the direction and recommendations for the research of Internet financial risks in future.