Rat corresponds to "Zi" in the Chinese EarthlyBranch. Its legendary contribution to the creation of heaven and earth ranked the rat first on the Chinese zodiac.
鼠对应地支为子，由于传说中鼠有开天辟地之功，所以居十二生肖之首。
2
Methods Adopt TCM circular motion ascending and descending theories of functional activity of qi and observe clinical application of navel earthlybranch needle inserting method.