Introduction to the main hall: The main hall is located in the third courtyard and is a mountain-style building with double eaves. It is five rooms wide, with Bagua doors and corridors connecting it on both sides. It is huge in scale. The main hall is towering and uses a total of 52 pillars. It is one of the buildings with the most pillars in traditional Taiwanese architecture. There is a mezzanine between the rafters on the roof, which is paved with roof tiles and sanhe soil, which has the function of heat insulation and moisture proof.