Technology transfer is the key way of transforming scientific and technological achievements into productivity, which is an important link between science & technology and economy. It will be successful only when science and technology is applied to the economic activities then turned into new and high-tech products or industries so as to achieve the social or economic value, or to be used to minimize the cost of resources and ecological damage. After development for many years, the scientific research institutions in China, especially the state-owned research institutes, no matter its scientific research level or its comprehensive strength has been significantly improved and continuously enhanced, and then it has also accumulated much more abundant scientific and technological resources. These institutions have great potential in terms of promoting technology transfer, technology innovation of enterprises and the fundamental transformation of China's economic development mode. This paper introduces the construction of technology transfer trading platform system and its realization process.