As a financial industry，internet finance is liable to cause financial and legal risks.The national macro-policy has changed from encouraging the development of internet finance to paying equal attention to supervision and encouragement.Common criminal risks include the crime of illegally absorbing public deposits，the crime of fund-raising fraud，and the case of illegal fund payment and settlement constituting the crime of illegal operation.It is necessary to grasp the policy boundaries and not touch the criminal high-tension lines of the crime of illegally absorbing public deposits，the crime of fund-raising fraud and the crime of illegally operating.