Introduction to the Pharmacist’s Treasure Hall: In the center is the main building of the temple, the "Pharmacist’s Treasure Hall". It is a mountain-mounted double eaves-style building with a bay of 33 meters, a height of 16 meters, and an area of 800 square meters. Medicine Buddha is enshrined in the hall. The Buddha statue is made of bronze and is 11.8 meters high. The six nanmu pillars in the hall are 0.8 meters in diameter and 9 meters high. They are more than a thousand years old. The doors and windows in the temple are all made of nanmu. It is a special treasure in China and a treasure of Chengdao Zen Temple. The paintings on the roof of the temple are carefully hand-painted by craftsmen. The glazed tiles used in the temple are also specially customized.