The core of social marketing is relationship marketing. Networking is all about building new relationships and solidifying old ones. Any entrepreneur needs to build a strong new network of relationships to support his business. Social marketing features the following four points: First, facing the consumer group directly, the target group is more concentrated, the publicity is more direct, the credibility is high, more conducive to the publicity of word of mouth. Second, atmosphere manufacturing sales, less investment, the effect is faster, conducive to the rapid recovery of funds. Third, it can be used as a means of general publicity, or it can be targeted at specific targets to organize special groups for key publicity. Fourthly, directly grasp the feedback information of consumers, and quickly investigate and adjust the propaganda tactics and direction according to the needs of consumers.