Abstract The research of tourism impact is important. This paper discusses tourism impact factor system and the mechanism of tourism impact. It analyses three factors of tourism impact:tourism flow system, the motive power and tourism destination system. It focuses on the responding factors, the innovated system of tourism in stitution, the tourism regulation factors and its' content, property and function in relation to tourism impact. As the motive power, tourism flow system drives tourism impact in its own way. Tourism flow causes the reaction of factions in tourism destinations. Tourism institution adjusts and optimizes tourism impact by standardizing the behavior concerning tourism belief. The three factos interact with each other in five tourism fields:namely economy, information, psychology, attraction and ecology field. Based on the above analysis, the paper discusses the dominant factor of tourism impact and four types of tourism impact mechanisms. In the last part, the paper analyses the tourism impact mechanism of multi-factors of Li Jiang as an example.
2007, Vol. 22 
