Abstract: Blockchain technology is a technical means for data management and decentralized transactions, which has attracted wide attention from the financial industry, the Internet, and the academic circles of universities and colleges. At present, the main research direction is itself and its application in the fi nancial field. In the process of construction project management, there are many challenges in construction management, design management, risk management and so on. The purpose of this paper is to discover the application potential of blockchain technology in engineering management, improve traditional management models, and focus on the specifi c applications of blockchain technology in data collection, smart construction, and product supply chains. The research provides some reference.