In Japan, people's concern is increasing after the earthquake disaster of 3.11 about the problem of energy supply. And then, people are thinking that their life style should be improved. Now, a large-scale saw mill is going to serve as a organizer of forest management, and it is going to attain local circulation of forest resources for woody biomass energy. Creating many employments are also assumed in that process. A main subject discusses the meaning, after introducing such a measure.