With the development of global economy and society, public relations, as a new management discipline, is more and more applied to enterprise management. At the same time, the definition of public relations in the development process has always been different, each definition explains the characteristics of public relations from different aspects. Therefore, it is particularly important to discuss the role of public relations in enterprise management. Combined with the actual case analysis, public relations in enterprise management can not only build a good image for enterprises, can help enterprises deal with the crisis through difficulties, but also can coordinate the relationship between enterprises and the public.with the development and progress of modern enterprises, public relations is no longer an activity mode of external publicity, but an indispensable management mode in the process of continuous development of enterprises. The scientific management of public relations can not only create a successful brand for the enterprise, but also pave the way for the scientific management within the enterprise, and reasonably regulate the relationship between the enterprise and the outside society, as well as the relationship between the enterprise employees. This paper discusses the application of public relations in enterprise management.