In recent years, doctor-patient conflicts have increasing been the focus of news coverage and public attention. As the kind of knowledge functioning for people knowing the world,the construction of doctor-patient conflicts in news influences on public perception about conflicts and even worsens doctor-patient relationship. Meanwhile, with the development of the internet and the rise in social media, doctors, the public and opinion leaders have access to participate in diffusion and interpretation of news, which complicates the dynamics of representing and blurs the truth of news events. Viewed from this angle, by analyzing these typical cases occurred in recent years, this article seeks to examine the mechanism and challenge of representing doctor- patient conflicts in news in the social media context from the perspective of Knowledge of Sociology and tries to explore the path for making news in future.