4 184 in Shanglin Fu is a piece of Fu written by Sima Xiangru, a poet in the Western Han Dynasty, and a companion piece of Zi Xufu. The inaccurate description of "Zixu" and "Five Degrees" first led the son of heaven to go to the forest, and then in turn praised the victory of water potential, aquatic products, vegetation, animals, Taiwan view, trees and apes in the son of heaven, then wrote that the son of heaven hunted in the Qing palace, and finally wrote that the son of heaven repented and reflected. Quanfu has a large scale, rich vocabulary, vivid description and vivid rendering.