Abstract: Abstract: Information service technology is a bridge between user and information resource, also is the dominant factor to weight the quality of information service. In this paper, focusing on the information service features of tea industry, the demand-driven and interaction of information service have been emphasized. User and market as the major criterion for testing the quality of information service, the interactive information service mode based on the demand-driven has been proposed to realize the maximum of information service value. Demand of user as the driving factor in the mode, bringing the interactive ideas of loop optimization on information demand and combining the push and feedback mechanism of information, the information service mechanism has further been optimized to meet the actual demand of user.