Introduction to the Heavenly King's Hall: The main courtyard building is more than 1,800 square meters, and is divided into four major halls: one is the Heavenly King's Hall, with Maitreya Buddha in the middle, and four heavenly kings in the east and west; the second is the Mahavira Hall; the third is the Three Sacred Halls; the fourth is the Three Sacred Halls. It is a Buddhist scripture building.