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Social communication is a basic concept to analyze social phenomena from a dynamic perspective. This concept is extracted from Marx's communication theory. Marx and Engels believe that social communication refers to the mutual contact, communication and exchange between people in production and other social activities, and this theory can also be applied to other animals. They use the concept of social communication to discuss historical materialism. In western sociological theory, social interaction or social interaction is a summary of intentional interaction between individuals. These concepts are related to the concept of animal social behavior, that is, to explain the significance and mechanism of individual interaction, and to analyze the social significance contained in this process.