Mukbang’ (eating content) originated from a personal broadcasting platform centered on social media and has become a globally popular content. However, social problems soon arose, and China and Korea came to regulate mukbang. Mukbang regulations in China and Korea have differences. China succeeded in regulating based on the power of a strong government for reasons of environmental problems and food security. Despite the government's willingness to regulate mukbang, concerned about the health of the people, Korea failed to regulate it. The purpose of this thesis is to legally investigate why Korea's Mukbang regulation failed unlike China's. In conclusion, freedom of expression based on the Korean constitution was the biggest cause of regulatory failure. In addition, the fact that personal broadcasting has no social responsibility as a general broadcasting acted as a legal logic to prevent government regulation. As an alternative to direct government regulation, the researcher proposes regulated self-regulation led by the private sector