The correct way to drink Poria in boiled water is to clean Poria and put it into a pot of decoction for internal use. It can be used for the treatment of edema with herbs such as Zedoaria, and for the treatment of phlegm (a pathological product formed as a result of impaired metabolism of water and liquid) with herbs such as Gui Zhi. Poria has the effects of strengthening the spleen, seeping dampness and inducing diuresis, and tranquilizing the heart. It is used in treating spleen deficiency with little food, loose stools (thin and unformed feces), edema with little urine, dizziness, palpitation, phlegm-potassium, palpitation and insomnia, and restlessness of the heart and mind. It should be noted that Poria should be taken with caution for those with deficiency of cold and essence, deficiency of yin without dampness and heat, and deficiency of qi and subsidence. Poria is used as decoction for internal use, clean Poria, remove dust and impurities, also can be crushed, put into a pot of decoction for internal use. For the treatment of water-dampness internal retention (water-dampness stays in the body) edema can be combined with poria, zedoary, atractylodes, cinnamon sticks, etc.; for the treatment of Yang deficiency of the spleen and kidneys edema can be combined with ginger, epiphyllum. For treating phlegm and palpitation, it can be combined with Rhizoma Atractylodis Macrocephalae, Rhizoma Atractylodis Macrocephalae, Rhizoma Atractylodis Cinnamomi, and Rhizoma Glycyrrhizae, etc. It can be used in decocting soup. Specific combinations should be used under the guidance of traditional Chinese medicine practitioners. Do not use the medicine privately, so as not to cause damage to the organism.