According to Jin Mu's fire, water and soil, Shen Zichen is combined into a water bureau, with a birth door in Shen and a prosperous door in Zi. Standing in the meridian direction, it shows imperial demeanor, jade belt and golden city water, and three-in-one couplet beads are priceless, with a prosperous population and endless life. When the Zuling was established in Sri Lanka, 44 generations of monarchs first ascended the throne, followed by many famous ministers such as Xu Xianzhi, Xu Yi, Xu Shang and Xu Yanruo. Now, the Xu family in Tancheng has become a prominent family, and all these facts prove the auspiciousness of the Xu mausoleum in China with iron.