According to the Beijing News, on October 21st, at the 6th World Internet Conference “Innovation and Breakthrough of Industrial Internet”, Zhang Jianfeng, chief technology officer of Alibaba Group and president of Alibaba Cloud, said that the core digital technology includes four. Point, the first is that cloud technology has intensively integrated all of the company's IT facilities. The second is data-based intelligent technology. The third is mobile, including 5G, a collaborative office platform represented by nails. The fourth is IoT, the first time connecting the online world with the physical world. The comprehensive coordination of human and physical objects, this is a basic platform, there are some extended technologies, including blockchain, etc., which ultimately constitutes the "1+N" platform.