Han Xin Feiheng used the position corresponding to the five elements to choose the main color - Hengshan is located in the south, and the south belongs to fire, and finally decided on red as the main color.Referring to the descriptions in the classics, combined with Han Xin's confident and heroic temperament, the flame was finally chosen as the main design element of Fei Heng, so that it can be unified into a whole from tone to element.