Abstract
Structural design of buildings is facing two major problems. The first is the negative attitude to the environment. The other is that there is no system can be evaluated easily damaged condition of the entire building, and economy. These problems are turning point. This is because it produces a structural design with a comprehensive perspective. It is necessary for general technology knowledge and it is not limited to the technical fields have been developed until now. I propose new structural design index and evaluation method to a solution for current problems and future prospects.