With the development of communication technology and the rise of online social media, online celebri? ties have come into the public’s view and received much attention. They have unique advantages in information sharing, emotional resonance, decision-making guidance and so on, making them important collaborators in the delivery of corporate value propositions and marketing interactions. Starting from the dual interaction of online celebrities as online opinion leaders, this paper constructs a value interaction and co-creation path in the market? ing field for ordinary audiences, online celebrities and enterprises, and focuses on the core of the three-party in? teraction: customer (online celebrities) - customer interaction. Through the empirical analysis of the impact mechanism of customer customer interaction, it is concluded that the trust, professionalism and activity of on? line celebrities positively affect the interaction and participation of audiences; the interactive participation of cus? tomers can enhance the realization of their personal practical, enjoyment and social value, which shows the im? portant role of online celebrities as a special customer group in value co-creation in the marketing field.