Public relations company is a special service organization, whose main task is to provide professional public relations services for customers and help them improve their popularity and social reputation. The services of public relations companies are comprehensive, mainly including media relations services, event planning and execution, social marketing, network marketing, brand image planning, government and social public relations services.

Media relations service is the core service project of public relations company, which aims at planning, preparing and executing a series of media-related activities, conveying customers' information to the corresponding audience, and improving media attention and coverage. The event planning service of public relations companies can help enterprises plan and display their own brands, images, products and services. Public relations companies can also provide socialized marketing services for enterprises, improve customers' brand reputation and strengthen the connection between customers and consumers.

Public relations companies can also provide network marketing services, that is, set up marketing pages on the network, publish social media information and publicity posts, and increase customers' network awareness and brand awareness. Public relations companies also provide brand image planning services, that is, using the media to plan and implement a series of activities to create a good brand image. Finally, public relations companies also provide government and social public relations services, that is, carry out government relations activities in the government and social environment to achieve customers' goals.