Composition of Sijunzi Decoction/Pill: Radix Ginseng, Rhizoma Atractylodis Macrocephalae, Poria and Radix Glycyrrhizae Preparata Efficacy: Benefiting Qi, Strengthening Spleen and Nourishing Stomach Indications: Spleen and Stomach Deficiency Syndrome (Spleen and Stomach Deficiency Syndrome) Symptoms: pale complexion, low voice, eating less loose stool, weakness of limbs, pale tongue with white fur, and weak pulse. The four drugs are mild in action, not hot or dry, and not strict in tonic. They are suitable for long-term administration, benefiting qi, strengthening spleen and nourishing stomach, so they are called Sijunzi Decoction. The recipe is: pathogenesis-weakness of spleen and stomach, loss of power in transportation. The monarch drug: Ginseng, which is sweet and warm, tonifies the middle energizer, strengthens the spleen and benefits the stomach; the minister drug: Atractylodes macrocephala; the adjuvant drug: Poria cocos; the medicine, which is sweet and light, permeates the dampness and strengthens the spleen; the baked licorice root, which is sweet and warm, invigorates the qi and neutralizes the middle energizer.