Amidado, or the Hall of Amida Buddha, was constructed to house a statue of Amida Buddha, a prominent figure in Pure Land Buddhism. It was believed that devotion to Amida Buddha would lead to rebirth in the Pure Land.

This building was not just a physical structure but also a spiritual haven where monks and pilgrims would gather for meditation, sutra recitation, and worship. The tranquil environment of Amidado and the entire Enryaku-ji complex allowed practitioners to connect with their inner selves and the divine.