PublicRelations (P.R, abbreviated as "PublicRelations") is translated from English "public relations", and Chinese can be translated as "public relations" or "public relations". No matter its literal meaning or practical meaning, it is basically the same, and it refers to the communication relationship between the organization and the public environment. The relationship between the public and the public generally means that a social organization uses communication means to form two-way communication between itself and the relevant public, so that the two sides can achieve mutual understanding and mutual adaptation. This definition reflects that public relations is both a communication activity and a management function.

Public relations planning includes strategy, planning and design.

Let the public know about the enterprise, establish the corporate image, enhance the public's goodwill and trust, and thus be willing to accept the products, services and prices of the enterprise. This is the essence of public relations planning in marketing. Daniel Locke, an American public relations expert, expounded the position and role of public relations planning in marketing from ten aspects, namely: ① finding new markets. The publicity of public relations can distinguish the most potential consumers from customers and save research and advertising expenses. ② Close to the marginal market. Publicity through public relations, close to the market with little or no contact, does not need to spend huge sums of money on advertising. (3) provide third-party recognition. That is, the recognition of news media can increase public trust more than advertising and promotion. ④ Strive for new consumption orientation. That is, through the news media to provide advice and guide new consumption orientation. ⑤ Pave the way for promotion. The public can get information about enterprises and products through public relations activities, so it will be easy to promote sales. ⑥ Build the enterprise into an important information source. Because when editors or news officials are looking for information in a certain field, they always look for enterprises that have become leaders or experts in this field. ⑦ It is helpful to promote "secondary" products. For marginal products with little profit, advertisements can't be made, and editors' efforts can take their place. It helps to give the enterprise a human touch. In the publicity of public relations, there are mainly the propaganda of enterprise managers and heroes, which makes their human feelings radiate to the corporate image. Pet-name ruby expand sales promotion. That is to say, publicity will be more effective through public relations activities. ④ Make more effective use of publicity materials. Public relations personnel can add weight to various brochures.