Introduction to the main hall: In front of the main hall of the Western-style Palace are divided into left and right wing rooms. In the center of the wing rooms is the bell and drum tower, which is opposite to the main hall. There is a statue of Wu Sangong at the bottom of the main hall. According to the "Qingyuan County Chronicle·Personalities", Wu Sangong was a native of Longyan Village, Baishan Zuxiang, Qingyuan County. He was named after the third among brothers. He invented the artificial cultivation technology of shiitake mushrooms during his long-term production practice. In the third year of Wanli in the Ming Dynasty, , and his father were named "Xiangong of the Prefecture" by Ning Shenzong.