Located on the east side of Wenchang Pavilion, the negative mountain face stream, Western-style three-open flat top floor. The roof cement platform, surrounded by railings, can enjoy the cool moon, view the distant mountains and water. Out of the west side door, there is an open-air corridor connecting Wenchang Pavilion. At the beginning, it was mainly for Chiang Kai-shek to live in Wenchang Pavilion, and it was easy to call close staff.