Planted on the west side of the rear of the Empress Dowager Hall, the Yunbai tree is named after its dense and dense foliage, resembling clouds in the sky. It is over 800 years old and leans 45 degrees from the ground, pointing directly towards the direction of the Guandi Temple in Jiezhou. Therefore, the people say that this Yunbai tree is a ladder used by Lord Guan to work at the ancestral temple in Jiezhou.