Alibaba Cloud is the largest public cloud platform in China, serving more than half of A-share listed companies and a large number of Internet companies, with more than 2 million customers. DingTalk is already a behemoth, especially during the epidemic, its growth has been fierce, and its downloads have dominated the AppStore for many days. It has more than 10 million enterprises and more than 200 million individual users. Recently, it has added 120 million students and 3.5 million teachers. The mutual integration of Dingding and Alibaba Cloud is like a To B trump card, and it is also the most direct pursuit target of Tencent. In order to fight against DingTalk, Tencent once again offered the all-powerful WeChat, connecting the enterprise WeChat and WeChat data, and accessing the public account and mini program ecology, using the front-end traffic window to compete for B-end users. ②Ant Financial Group Including Alipay, digital finance, risk management, etc., involving payment, credit, Internet banking, consumer finance and many other fields. Ali and Ant Financial are in a mother-son relationship. Although they seem to belong to two groups, the business is difficult to divide, so it is still the same thing. Ali also accounts for one-third of Ant Financial's equity. Alipay has 1.2 billion personal users worldwide, and its business scope covers personal scenarios such as gas, utility bills, social security, Ant Forest, Ant Fortune, and Sesame Credit. In addition, Alipay has more than 40 million small and micro enterprises, including collection and payment, financial management, small and micro loans, value-added services and other businesses. Alipay is not only Alipay’s To B puzzle in the field of financial credit, but also through the form of small programs, Alipay has opened up the Phone Number List underlying data of Ali-based products such as Taobao, Fliggy, and AutoNavi, and strengthened the homepage entrance, greatly improving reputation. The local life weight of the Internet and Ele.me, coupled with the offline payment scene of the original small and micro merchants, Alipay is becoming the connector of the B-end ecosystem of Ali. ③Alimama Business Group Including through trains, drill exhibitions, Taobao customers, etc., it is the middle platform of Ali's e-commerce advertising business, and it is also the largest "money bag", contributing most of Ali's revenue. At present, in Alimama, there are more than 1 million service providers around the 4.5 million brands and merchants in the e-commerce system, and there are 50,000 Taobao customers and 10 million Taobao customers outside Taobao.