Communication is the product of interdisciplinary research since 1930s. Communication is closely related to other social sciences and is on the edge of many disciplines. Because communication is a basic social function of human beings, all the sciences that study the relationship between people, such as politics, economics, anthropology, sociology, psychology, philosophy, linguistics, semantics, neurology, etc. It's all about communication. It uses the theoretical viewpoints and research methods of sociology, psychology, politics, journalism, anthropology and many other disciplines to study the essence and concept of communication; The interrelation and restriction of the basic elements in the process of communication; The generation and acquisition of information, processing and transmission, efficiency and feedback, and the interaction between information and objects; The formation of various symbol systems and their functions in communication; Functions and status of various media; Communication systems, structures and relationships among systems in various fields of society.