The Nanning forest tourism circle is the focus of Guangxi forestry department to build the forest tourism projects,including forest leisure,forest experience,forest wellness,forest education.This paper makes an investigation on behavior of forest tourism by taking Nanning forest tourism circle as an example.The results show that the forest tourists mainly come from Nanning and its surrounding areas,their age is uneven,their sources of information are less,they travel together with their friends and family,and often travel on weekends,they travel with high satisfaction and revisiting willingness.Finally,this paper puts forward some suggestions for the research conclusions.