Yi Zhi Ren is the mature fruit of the herbaceous plant Yi Zhi of the ginger family. Pungent, warm. Attributed to the spleen, kidney meridian. 1. Nourish the kidney and fix essence, shrink urine: used for the lower element of the cold, pediatric enuresis, urinary frequency, seminal emission of white turbidity, such as (& lt; women's good prescription & gt; shrinking the spring pill) (Yi Zhi Ren San). 2. Warming the spleen to stop diarrhea, ingesting saliva: used for spleen and stomach cold, cold spleen and diarrhea, cold pain in the abdomen, mouth saliva, often with atractylodes macrocephala, astragalus, sand kernel, wood, Poria, etc., such as (Yi Zhi San). Yi Zhi Ren dry spleen salivation and saliva than the role of Fubonzi. In particular, it can "converge and take in the qi of the spleen and kidney", so it can warm and tonify the kidney yang and solid essence shrink urine, ambiguous spleen and stomach and stop diarrhea, take in saliva. Cornuus officinalis is the mature flesh of Cornus officinalis (Cornus officinalis), a small woody plant of the Cornaceae family. Sour, slightly warm. It belongs to the liver and kidney meridians. 1, tonifying the kidney and astringent essence: used for kidney impotence and spermatorrhea, lumbar and knee cold, God was cold, frequent urination, etc., such as (qi chrysanthemum dihuang pill), (& lt; Pu ji Fang & gt; Cornus officinalis pill) (& lt; Fu Shou Jing Fang & gt; grass still Dan). 2. Nourishing the liver and kidney: used for the deficiency of the liver and kidney and the deficiency of Chong Ren, such as leakage and menorrhagia, heavy menstruation, etc., such as (Six-flavored Dihuang Pill). 3. Astringent Sweat: Used for more than sweating, body weakness and wanting to take off, with the effect of astringent sweat, can be combined with ginseng, dragon bone and so on. Cornus officinalis and Radix Rehmanniae can both tonify the liver and kidney. However, Radix Rehmanniae Praeparata has a long history of benefiting the essence and blood, which is more powerful than Cornus officinalis, but it does not help Yang's function and does not have the property of astringency. This product can nourish both yin and yang, so it is an important medicine to nourish the liver and kidney (yin and yang). Poria is the nucleus of Poria cocos, a fungus of the family Poriaceae. It is sweet, light and flat. Attributed to the heart, spleen and kidney meridians. 1, diuretic and dehumidification: used for water-dampness stagnation of edema, fullness, urinary incontinence and stop drinking water-dampness, regardless of cold and heat can be applied. Such as (& lt; typhoid theory & gt; five ling san). 2. Benefit the spleen to stop leakage: used for all evidence of spleen deficiency, low food, bring down, loose stools and diarrhea, phlegm and palpitations, etc., such as (& lt; Jin Gui Yao Liao & gt; Ling Gui Jiu Gan Tang). 3. Tranquilizing the heart and tranquilizing the mind: used for palpitation, insomnia, forgetfulness, and reviving the heart. It can be used as pills with Sedum and Ginseng. 4. Dispelling phlegm: used in the evidence of phlegm and drink, such as (Ling Gui Jiu Gan Tang); cold drink cough, such as (Ling Gan Wu Wei Jiang Xin Tang). Poria has the effect of tranquilizing the mind and tranquilizing the spirit, mainly used for heart and spleen deficiency, restlessness, insomnia and forgetfulness, etc., often with angelica, atractylodes macrocephala, cyperus rotundus, jujube seed, jujube seed, vermillion, etc.; seepage of dampness and strengthening of the spleen, dampness to the spleen, phlegm has no way of generating in order to put an end to the source of phlegm. For the treatment of phlegm as the main medicine, because "phlegm, water, Poria feasible water, phlegm movement, wet, Poria can also line wet".