Introduction to the Dragon King Temple: The second courtyard is the central courtyard of the building complex. All buildings in this courtyard are the main places for the temple's sacrificial activities. Emperor Qianlong stayed at the Dragon King Temple five times and it was also here to discuss government affairs and hold sacrificial ceremonies. of. The main building on the royal road is the "Dragon King Hall", also known as the "Green Tile Hall". The Dragon King Hall is one of the most distinctive main buildings of the temple. The hall has double eaves resting on the mountain, with a dragon's kiss on the spine. Covered with six-color glazed tiles mainly in yellow, green and blue, it is seven rooms wide and four rooms deep, covering an area of ​​435 square meters. In front of the hall, there is a bluestone base more than two meters high, a white stone platform, and jade railings. A gold-plated plaque with the words "Fu Bless the Ronghe River" hangs high on the forehead of the main hall. In the middle of the platform is the Dragon Sacrifice Platform, and in Taichung there is a large iron tripod weighing more than a ton. The entire Dragon King Hall has carved beams, painted pillars, brackets and cornices. It has a rigorous structure, gorgeous decoration, magnificent splendor and endless charm.