With the rapid development of the mobile Internet economy, the community economy as the carrier has gradually developed, and increasing enterprises have begun to pay attention to the consumption characteristics of users in the era of mobile e-commerce.Managing users in a community way has become a new way of customer relationship management in the new era.In order to provide reference for the development of social e-commerce platform enterprises, this paper takes Xiaohongshu as research object, analyzes its business model platform with new 4c theory, finds its successes and shortcomings, and puts forward suggestions.