Ecotourism is the activity including environment preservation and recreation development. After promoting by the government, a lot of organizations and institutions began to provide different ecotourism activities. Nevertheless, it is a difficult problem to find out how to carry out the basic spirits and principles into the ecotourism activities and itinerary arrangement. This study was explored by way of ecotourism activities held by Hsin-Chu, Nantou and Tung-Shiu Forest District Office of Taiwan Forestry Bureau from the views of ”before activity,” ”in activity” and ”after activity” to bring up the problems and difficulties for the experiences and reference.