Abstract
This activity is art exhibition and art workshop to improve the medical environment. We held the workshop which patients, hospital staffs, families of patients, and volunteer members can take part in. The participants of workshop made the objects in the shape of leaves and the message cards. After the workshop, we add these works to the decorations. It seems that forest grow up. And, we made the exhibition like forest in the hospital. This activity will be can improve the medical environment and the QOL of patients.