Blockchain is a distributed database or record keeping system that has the characteristics of decentralization, traceability, and consensus. By utilizing blockchain technology to build a new ecosystem of educational resources, it can alleviate the current problems of high operating costs, weak copyright protection, difficult resource sharing, and low resource quality in the construction of educational resources, in order to adapt to the new requirements of open and shared resources in the era of smart education. Therefore, firstly, the main problems faced by educational resources in recent years and the opportunities brought by blockchain technology are summarized. Then, literature analysis methods are used to analyze and summarize the application research of blockchain technology in educational resources from two levels: time distribution and research problems. The analysis results show that blockchain is of great significance in solving problems such as educational resource sharing, copyright protection, and management.