The Mieido is one of the most important buildings of Daikakuji Temple and enshrines the portraits of the temple's founder and successive chief priests. In this hall, portraits of historical figures with deep ties to the temple, such as Emperor Saga and Hōhō Emperor Go-Uda, are enshrined, and visitors can feel the history and traditions of the temple through these portraits. In addition, the Mieido is often used for memorial services and ceremonies, and plays a central role in the religious activities of the temple.