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. (The China Journal Network mentioned in the title of the general review is China Knowledge Network)