Abstract: According to the characteristics of mobile ccommerce, after the analysis of the influence factors of Customer's trust, an improved prediction model for trust in mobile e-commerce was built. Then, considering the human cognitive habits, a new mobile ccommerce trust evaluation index system was constructed. Finally, a improved prediction model for mobile e-commerce transaction trust based on improved gray was proposed and verified with rationality and effectiveness.

Key words: Mobile ccommerce,hransaction trust ,Grey prediction