With the rapid development of high and new technology, especially information technology, modern education has entered the big data era under the condition of informatization. China’s education modernization 2035 points out that "promote the reform of education governance, accelerate the formation of modern education management and monitoring system, and promote accurate management and scientific decision-making". Using modern technology to promote the reform of decentralized teaching mode and the construction of a full chain education monitoring system to achieve accurate education and scientific management has become the basic trend of modern education development. Firstly, this paper analyzes the characteristics of Block Chain and the disadvantages of traditional teaching mode. According to the characteristics of Block Chain and integrating modern teaching mode, this paper puts forward new applications such as student achievement management, personnel management and teaching method management.