The arrival of the new media era has brought new publicity ideas to enterprises, enriched marketing methods and channels, and allowed brand and product information to be delivered to consumers in a more comprehensive and rapid manner, thereby achieving more efficient and comprehensive marketing. Effect. Through digital means, brands can better find target audiences, provide personalized interactive experiences, and achieve precision marketing. Among them, social media platforms are the main platform for Perfect Diary brand communication. Perfect Diary can be said to be a successful example of social media marketing. Through short videos, grass planting notes, combination of pictures and text, and social marketing, it has been widely used on Douyin, Kuaishou, Xiaomi, etc. Conduct all-round publicity on social media such as Red Book and WeChat to cater to the viewing habits and consumption habits of the younger generation on social media, communicate more directly with users, understand consumer psychology and needs, provide products that meet user requirements in a timely manner, and fully penetrate The social media ecology of the younger generation establishes deeper connections with consumers through social media.