The so-called Xiyongshen is a type of five elements in the horoscope that has the function of remedying disadvantages or promoting success for the Rigan. The four-pillar fortune-telling takes Yongshen as the core. Whether Yongshen is sound and powerful or not , affects a person's life; whether he or she can be remedied in a lifetime affects the fate of a person's life. If the power of the Yongshen is insufficient, there will be a living being among the four pillars to help the Yongshen, or the four pillars of punishment will conflict with the Yongshen and be able to transform the evil god or control the evil god. , is the God of Joy. If the four pillars do not have the God of Use, they have to rely on luck to make up for it. For those with a more balanced destiny and five elements and less shortage of the God of Use, the life of the Four Pillars will be smoother without major ups and downs.