Poria is sweet and flat, and its effect is gentle, without the bias of cold and heat, so it is often used in the treatment of cold, heat, deficiency and all kinds of edema. With atractylodes, zedoary, etc., used for the surface of the evil is not resolved, with the meridian into the internal organs of the bladder and water retention or edema, dysuria; with talc, gelatin, zedoary, etc., the treatment of water-heat intertwined with the yin deficiency of dysuria of oedema; and with appendicia, ginger is used for the treatment of spleen and kidney yang deficiency of oedema. Poria can strengthen the spleen and tonify the middle, and is good at draining water and dampness, so that dampness does not gather and phlegm is not born. It is often used with ginseng, atractylodes, licorice to treat weak spleen and stomach, low food intake, tiredness and fatigue. It is also used with cinnamon sticks, atractylodes, and licorice for the treatment of palpitations and dizziness of phlegm.