The “New Crown Pneumonia Epidemic” has forced intercultural activities in countless countries and regions to quickly switch from offline to online, and various educational and teaching activities are carried out through terminal devices such as computers and mobile phones. In this context, in order to solve the real-world problems and development dilemmas that arise in online teaching, based on the different thinking styles, living habits and value orientations of various countries, starting from intercultural communication, the two teaching modes of “traditional teaching” and “online teaching” are compared, studied and analyzed: 1. Analyze the advantages of offline teaching over traditional teaching in the context of the epidemic. 2. Analyze the role of online teaching and traditional teaching achievements in the context of the epidemic on the cause of intercultural communication education. This article uses a comparative analysis method to conclude that the two teaching methods have their own advantages, but in the context of the epidemic, the online teaching model has a greater positive impact on intercultural communication. The research results show that: In terms of curriculum content, high-quality teaching resources at home and abroad have been effectively utilized. Unlike traditional teaching, online teaching is not affected by location and space in terms of teaching methods, and is more flexible and diversified. The purpose of this article is to enhance intercultural communication and provide reference for future cultural communication in the world.