The 3rd International Conference on Economic Management and Model Engineering(ICEMME 2021) will be held on November 26-28 in Sanya, China. ICEMME 2021 is to bring together innovative academics and industrial experts in the field of Economic Management and Model Engineering to a common forum. The primary goal of the conference is to promote research and developmental activities in Economic Management and Informatics and another goal is to promote scientific information interchange between researchers, developers, engineers, students, and practitioners working all around the world. The conference will be held every year to make it an ideal platform for people to share views and experiences in Economic Management and Informatics and related areas. We warmly invite you to participate in ICEMME 2021 and look forward to seeing you in Sanya!