Abstract: Forest recreation benefit is main part of forest public benefits. Affe analyzeing systematically the main measurement methods in the world the visitors were divided into 22 origin zones according to the different distance and the principle that the visitation ratio of each origin zone is 2 at least based on one year's sample survey, and one polynomial regression model of the population, average mouth income, travel cost and travel time versus the visitation ratio was established. Besides, the effect of each factor on the visitation ratio was also discussed, Both the Consumer Surplus Theory and the opinion proposed by Marx that the accumulation of working time is equal to the add of free time, were applied to obtain the recreation benefit of 16.9430 million yuan of the park in 1988. The benefit of five main tour lines of the park was also calculated.The research results not only provided a scientific basis for the exploration, investment and comprehensive economic evaluation of the park, but also had the practical meaning for the further benefit evaluation of the forest tourism.

Key words: Forest park, Recreation benefit, Economic evaluation, Consumer surplus