Atractylodes macrocephala has the efficacy of strengthening the spleen and drying dampness (strengthening the spleen and removing dampness), stopping sweating and tranquilizing the fetus, and is used to treat spleen deficiency and fetal restlessness; Poria can seep away dampness, strengthen the spleen, and tranquilize the heart, etc. It is used to treat oedema, restlessness of the heart and mind, and evidence of spleen deficiency. Atractylodes macrocephala is the rhizome of Atractylodes macrocephala, family Asteraceae, with the effects of strengthening the spleen, benefiting the qi, drying dampness and inducing diuresis (drying dampness and reducing water-dampness in the body), stopping sweating, and tranquilizing the fetus. It is used for spleen deficiency with little food, abdominal distension and diarrhea, phlegm-drinking and vertigo-palpitations (vertigo and palpitations caused by phlegm-drinking and evil qi), edema, spontaneous sweating (involuntary sweating during the daytime, aggravated by sweating with the slightest movement), and restlessness of the fetus. Poria is the dried mycelium of Poria cocos, a fungus of the genus Poria, family Polyporaceae, which has the effects of diuresis and seepage of dampness (promoting the operation of water to dispel dampness), strengthening the spleen and tranquilizing the heart. It is used for edema and low urine output, phlegm-drinking and palpitations (caused by phlegm-drinking and palpitations), deficiency of the spleen and low food intake, loose stools and diarrhea, restlessness of the heart and mind, palpitations and insomnia. The above is the function and main treatment of Atractylodes macrocephala and Poria, the specific use of drugs need to consult a professional Chinese medicine practitioner’s advice, the adverse effects and contraindications of the two drugs are not clear.