Forest tourism is a new property in forest production and it has developed rapidly in recently years. However,with the development of forest tourism,more and more conflicts occur between recreational activities and environmental protection. Forest eco-environment is affected by some factors,which include the forest vegetation and the soil. Under these effects,the diversity and height of plant,the ability of activity and reproduction of vegetation also decline. They may make forest degraded,and the area of uncovered soil increase. Thus,bring about soil and water lose directly or indirectly,and it will be very difficult to regain. Nowadays nature reserves and national parks not only afford protection to natural environment but also provide pleasant recreational resorts. The negative and positive effects are discussed,which are took by forest tourism to the lose of soil and water. So as to explore a good way to give full play to the forest function.