Recently, the problem of aging and depopulation has become aggravated in the solitary island To improve these problems, it is important to excavate the charm of the island and sending these. There are two systems that followed the idea of KYOSO that means co- create. One of the system that we developed is KYOSO green- map system. that does the charm and the culture of the island in the mapping. Another one is a landscape assessment system. This is a method that assesses the charm of the island quantitatively and proposes improvements. It examined for four students of WASEDA University and four foreign students, and showed the effectiveness ofthis system. We propose the improvement for TESHIMA island by landscape assessment system
