Poria tea with sour jujube kernel has the effects of nourishing the heart and tonifying the liver, inducing diuresis and eliminating swelling (facilitating urination and eliminating edema), and is suitable for those who have insomnia, edema, and diarrhea due to spleen deficiency (diarrhea caused by weak spleen function). However, the effective dose of water is limited, it is difficult to achieve the above effects, it is recommended to follow the doctor’s instructions for medication. Sour jujube kernel, sweet and sour in flavor, flat in nature. Attributed to the liver, gallbladder and heart meridians. It has the effect of nourishing the heart and tonifying the liver, tranquilizing the heart and tranquilizing the mind, restraining sweat, and generating fluids. It is used in treating insomnia, palpitation and dreaming, excessive sweating and thirst. Caution should be exercised where there is solid evil and fire, and those who suffer from slippery ejaculation. Poria, sweet and light in flavor, flat in nature. It belongs to heart, lung, spleen and kidney meridians. It has the effects of inducing diuresis and seepage of dampness (promoting the flow of water to dispel dampness), strengthening the spleen and tranquilizing the heart. It is used in treating oedema and low urine output, phlegm-drinking vertigo and palpitation (vertigo and palpitation caused by phlegm-drinking and evil qi), deficiency of the spleen with low food intake, loose stools and diarrhea, restlessness of the heart and mind, palpitation and insomnia. Caution should be exercised in cases of yin deficiency without dampness-heat, deficiency cold and slippery semen, and Qi deficiency and subsidence.