Although the existing buildings of Wanchun Palace are less than 50 years old, the cultural relics of Longzhu in the temple have gone through more than 200 years. Since Lanting Zhenjian Temple was built more than 300 years ago, Mazu Dadun has been worshipped by Taichung citizens. From the point of view of history and culture, Wanchun Palace has the value that must be preserved. It should be designated as a historic building to properly preserve the precious antiquities in the temple.