On the afternoon of Dec. 3, the 4th World Internet Conference opened in Wuzhen, Zhejiang, and released the world's leading technological achievements of the Internet, including the quantum computer of the Chinese Academy of Sciences. Professor Chaoyang Lu of University of Science and Technology of China made a keynote speech at the conference, and introduced a series of research results achieved by Academician Jianwei Pan's team in the field of quantum computing.