The key problem that ecotourism faces either in theory or practice is that it pursues 3 main benefits, but each of them can' t reach the maximum at the same time because of their complex relationships . If all ecotourism activities are rigidly restricted to special form, then we' ll face many problems that cannot be solved effectively . In order to reach the sustaining maximum comprehensive benefit, we should follow the principles and rules of Ecological Economics, lead technical means into it at the same time, develop different forms of the ecotourism activities according to the system' s tou...