1, the meaning of different: OR is OperationsResearch (Operations Research) abbreviation, mainly concerned about how to solve practical problems through mathematical modeling and optimization algorithms, the goal is to improve business efficiency and effectiveness through the optimization of decision-making and resource utilization. om is OperationsManagement (Operations Management) abbreviation, mainly concerned about how to manage various operational processes within the enterprise, quality control, the goal is to improve operational efficiency, and OM is the abbreviation of OperationsManagement, which mainly focuses on how to manage various operational processes within the enterprise, quality control, etc. The goal is to improve the competitiveness of the enterprise by improving operational efficiency and quality.

2, the scope is different: OR mainly involves the fields of computer science and operations research, big data, machine learning and other technologies, a wide range of applications, used to optimize production scheduling, transportation and other business processes. OM mainly involves the fields of marketing and psychology, customer management, brand management, etc., the scope of application is mainly focused on the management of various operational processes within the enterprise.