This paper aims to analyze the process concerning the conservation of Saito Farm in Kashiwa, Chiba. The result was the followings; 1)The success in the conservation were mainly based on the land owner's strong will. 2)The another factors were the continuous discussion about the purchase of the farm at the local government assembly and the positive attitude of the local government toward the problem from the beginning. 3)The government has informally decide to ask a voluntary citizens group to take part in the natural environment management program of the former site of the farm. Behind the decision, it was important for the success that the group has taken the initiative in the management of the farm, under the land owner's understanding.
