Today, financial writer Xiao Lei issued a text entitled "The Political Bureau collectively studied the "blockchain", and China and the United States compete for the commanding heights of technological innovation". On Thursday, the Political Bureau of the CPC Central Committee conducted collective learning on the status quo and trends of blockchain technology development. First, the blockchain technology is characterized: 1. Global competition technology; 2. It plays an important role in the entire technology and industry; 3. China has a good development foundation, and blockchain technology will be fully integrated into the economic society in the future. . Second, it is clear that the development goal is to strive to be a leader in the blockchain field. Third, it points out that the application areas that need to be deepened include digital finance, Internet of Things, intelligent manufacturing, supply chain management, and digital asset trading. Fourth, the blockchain + should be developed in the future. For the first time, the “blockchain+” was proposed at the national level. It is necessary to explore the application of “blockchain+” in the field of people's livelihood, and actively promote blockchain technology in education, employment, pension, precision poverty alleviation, medical health, commodity anti-counterfeiting, food safety. Applications in the fields of public welfare and social assistance. At the same time, it proposes three directions, we must accelerate the development of the industry, give play to the advantages of the market, and further open up the innovation chain, application chain and value chain. Finally, how to supervise the blockchain field, we must explore the establishment of a safety guarantee system that adapts to the blockchain technology mechanism, and guide and promote blockchain developers and platform operators to strengthen industry self-discipline and implement safety responsibilities. It is necessary to implement the rule of law network into the management of blockchain and promote the safe and orderly development of blockchain.