New Product Development (NPD) is the base for enterprise's keeping its competition strength. The results of NPD are definitely determined by the effectiveness and efficiency of the ideas of fuzzy front end. As far as the enterprise in Chinaconsidered,they must improve their indigenous innovation ability at the very beginning in order to face the global and domestic competition. The idea management model for NPD fuzzy front end was built from the all key elements point of TIM,to improve the innovation performance in Chinese enterprises.