Industry-Academy-Research collaborative innovation is an important form of innovation. In recent years, though there is a gradual improving on the system of IAR collaborative innovation chain, incentive evaluation, combination of technology and finance and the open sharing of resources, China still has a long way to go for a sound legal system, mechanisms of organization and coordination, information communication, the incentive constraints and investment and financing. Therefore, in order to promote the good development of IAR collaborative innovation, we need to establish trust evaluation for the main body, extra management, harmonious interaction, finance mechanisms as well as external environment of collaborative IAR innovation.