Because of copyright issues, CNKI and Sichuan University no longer cooperated, and the cooperation expired in 2007, so only articles before 2007 can be seen.

China HowNet is the concept of national knowledge infrastructure, which was put forward by the World Bank in 1998. CNKI project is an information construction project aimed at realizing the dissemination, enjoyment and value-added utilization of knowledge resources in the whole society. Initiated by Tsinghua University and Tsinghua Tongfang, it was established in June 1999. With the strong support of the party and state leaders, the Ministry of Education, Publicity Department of the Communist Party of China, the Ministry of Science and Technology, the General Administration of Press and Publication, the National Copyright Administration and the National Development and Reform Commission, and with the close cooperation of academia, education, publishing and library and information circles, and under the direct leadership of Tsinghua University, CNKI Engineering Group has adopted digital library technology with independent research and development and international advanced level after years of efforts. CNKI Digital Library with the largest full-text information in the world has been built, and China Knowledge Resource Library and CNKI grid resource sharing platform have been officially launched. Through industrial operation, it provides the richest knowledge information resources and the most effective knowledge dissemination and digital learning platform for the efficient sharing of knowledge resources in the whole society.