In the era of big data,online socializing has become an important way for modern people to socialize,and social marketing has become an important strategy for marketers to carry out marketing.Marketers should play with big data,master the traffic password,and start from understanding and mastering social marketing to be the guide of Internet traffic.In the era of big data,whoever controls traffic and holds the marketing initiative in their own hands can win in marketing competition.In the process of social marketing,building a huge social network,constantly sharing and disseminating marketing information,is an important prerequisite for activating and igniting the traffic engine and obtaining more traffic.