Digestive function in Traditional Chinese medicine is largely ruled by the Stomach and Spleen, both considered the root of the post-natal Qi, or the energetic component that sustains the body and is derived from the processes of digestionAccording to TCM theory, the function of digestion is regulated by the activities of Yin and Yang, Yang corresponding to the function of the Stomach, and Yin to the functions of the Spleen. This duality means however that the element of Yin is required to counter-balance the intense Yang energy of the Stomach, and the Yang energy is needed to power and enliven the passive Yin nature of the Spleen. Please login or register to see the full article