Engineering change management is an important part of project management and has a vital impact on project management. Based on the analysis of the concept of engineering change and the difference between engineering change and design change and contract change, this paper focuses on the main contents and methods of engineering change management. The above content is closely related to the actual engineering and has great guiding significance. It provides clear ideas and specific methods for engineering change management for colleagues in the industry, reduces the problems that may occur in the process of change management, and makes engineering change management more systematic and professional.