The Online Shopping Carnival consumer behavior is defined as the extent to which consumers participate, interact and gain pleasure from the Online Shopping Carnival related activities. The Online Shopping Carnival online platform presents tens of housands of online stores with different promotion campaigns, service standards, and billions of products.A large number of online promotions are launched during the Online Shopping Carnival period. When facing a mass of asymmetrical information, people are often uncertain about their decision to participate in the Online Shopping Carnival events.