Abstract: Intellectual property finance is an important part of intellectual property operation ecology and an important financial innovation. Through research, the intellectual property financial service mode is divided into two main types: "government led" and "market led". This paper uses the method of single case optimal practice to study, and selects KOTEC as the research object. It finds that the intellectual property financial service in South Korea is the product of the combination of small and medium-sized enterprise financial service and technology financial service. With the support of the government and the participation of many subjects, financial service system of intellectual property rights has been formed with the main characteristics of legalization of the functions of service institutions, marketization of operation modes, specialization of service capabilities and diversification of technical evaluation. Based on this, the paper puts forward countermeasures and suggestions for the establishment and improvement of the intellectual property financial service system in China.