[Nature and flavor] Sweet, light in taste, neutral in nature.
 [return through] return the heart, lung, spleen and kidney meridians.
 【Effects】It can promote diuresis and eliminate dampness, strengthen the spleen and calm the mind.
 [Indications] It is used for edema, oliguria, phlegm and fluid, dizziness and palpitations, spleen deficiency, poor appetite, loose stools and diarrhea, restlessness, palpitations and insomnia.
 【Usage and Dosage】 10-15g.
 [Contraindications] People with yin deficiency and excessive fire should not take it.
 【Medical records】
 "Ben Jing": "It is used to treat chest and flank qi reversal, worry, anger, shock, evil spirits, fear, palpitations, heart pain, cold and heat, fullness, cough, dry mouth and tongue, and promote urination."
 "Bie Lu": "It can stop thirst, improve sleep, relieve abdominal distension, stranguria, phlegm and water in the diaphragm, edema and stranguria. It can open the chest and intestines, regulate the internal organs, eliminate kidney evil, nourish yin, increase qi and strength, and protect the spirit and the center."
 "Medicinal Properties" says: "It can stimulate appetite, stop vomiting, and calm the mind. It can cure lung tuberculosis and phlegm congestion. It can also treat epilepsy in children, abdominal distension, and stranguria caused by heat in women."
 "Rihuazi Materia Medica": "It can replenish the five kinds of fatigue and seven kinds of injuries, stabilize pregnancy, warm the waist and knees, make people happy and improve intelligence, and stop forgetfulness."
 "Shang Han Ming Lun Lun": "Water seepage relieves the spleen."
 "Medical Origin" says: "It can remove dampness, promote blood circulation between the waist and navel, and harmonize the middle and replenish qi. It can treat yellow or red urine without benefit. "Main Treatment Secrets" says that it can stop diarrhea, remove deficiency heat, open the pores, and produce body fluids."
 "Yao Zheng": "It is mainly used to treat palpitations, muscle twitching, and muscle spasms. It can also treat dizziness and irritability."
 【Predecessors release medicine】
 "Compendium of Materia Medica": Poria has a light and penetrating smell, its nature is upward, it produces body fluids, opens the pores, nourishes the water source and descends, and facilitates urination. Therefore, Zhang Jiegu said that it belongs to Yang, floats and rises, referring to its nature; Dongyuan said that it is the Yin in Yang, descends and goes down, referring to its function.
 "Bencao Yanyi" says: Poria cocos and Poria spirit have many functions of promoting diuresis and are indispensable for benefiting the heart and spleen.
 "The Heart of Medication" states: "Poria cocos is mild in taste and can open the orifices, and sweet in taste to help yang, making it a holy medicine for removing dampness. It has a sweet and mild taste and can replenish yang, benefit the spleen and expel water, and promote the production of body fluids and guide qi."
 "Tangye Bencao" says: "Poria cocos can eliminate kidney evil, stop frequent urination, and relieve astringent urination. It is similar to Plantago seed, which can relieve urination without losing qi. When soaked in wine and used together with cinnabar, it can keep the true essence."
 "Compendium of Materia Medica" states: "Poria cocos, Zhongjing used it a lot to promote urination. It is an important medicine for treating sudden new diseases. If the patient has yin deficiency, it may not be suitable for him."
 "Compendium of Materia Medica" states: "Poria cocos can clear the orifices and remove dampness. Clearing the orifices can open the heart and improve intelligence, and can guide turbidity and produce body fluids. Removing dampness can expel water and dry the spleen, nourish the middle and strengthen the stomach, eliminate epilepsy, thicken the intestines, treat the root of phlegm, and help the medicine descend. Because it tastes slightly sweet, it is said to nourish yang. However, it can benefit more than it nourishes, so taking too much can damage the eyes, and it is extremely unsuitable for long-term weakness. If it is mixed with human milk and dried, the milk powder is high, and it is also wonderful for nourishing yin."