Qingyuan is the county with the largest number of mushrooms in China's history. Mushrooms believe in Wu Sangong as a mushroom god, Wu Sangong was born on March 17, four years (1130) in Song Jianyan, because they ranked third, and later people respected him as Wu Sangong. 20 kilometers away from the county seat, there is the Xiyang Palace - China's largest mushroom temple, by Long, Qing, Jing three counties mushroom people raised funds in the first year of Guangxu (1876), dedicated to the sacrifice of Wu Sangong.