Risk communication plays a very important role in the prevention of public health crisis events and has been considered by the World Health Organization (WHO) to be 1 of the main functions of an emergency public health crisis. However, it is a relatively new research field in China, so many people have mistaken understandings of risk communication. This article will describe the concept and importance of risk communication and briefly introduce the role of risk communication in public health crisis management. It also provides information for the prevention of public health crisis events in the future.