This course mainly introduces the role of media public relations in crisis and issue management, as well as the definition and relevance of issue management and crisis management. The core content of the course includes the strategies and theories related to issue management and crisis management, as well as the application of issue and crisis management knowledge by enterprises, governments and relevant organizations, especially in view of the differences between traditional media and new Internet media, to discuss the actual cases and explanations of solving problems when food safety crisis occurs.