This book contains selected papers of the International Conference on Industrial Economics Systems and Industrial Security Engineering (IEIS 2020), which is co-organized by Beijing Jiaotong University, Budapest University of Technology and Economics, in July 25–28 2020. This book aims to provide new research methods, theories and applications from various areas of industrial economics and engineering. In detail the included scientific papers analyze and describe communication processes in the fields of industrial economics, industrial system, industrial security and engineering and other related areas. The variety of papers delivers added value for both scholars and practitioners.