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Treats Yuan Qi (Original Qi) deficiency leading to inability to sustain the body. Pulse is faint and nearly imperceptible. Also treats women with uterine bleeding (blood flooding) and postpartum blood syncope.
Its efficacy establishes it among the Three Powers (Heaven, Earth, Human), hence its name. ("Shen" in Ginseng implies assisting the transformation of Heaven and Earth. Its power stands parallel to Heaven, Earth, and Humanity, thus named "Shen".) A faint pulse and blood loss can be reversed for life.
Decoct Ren Shen (Ginseng Radix et Rhizoma) to obtain a thick, viscous juice. Only by using it exclusively can one realize its magnificent qi-tonifying power. (Ke Yunbo said: In the world, those who use Ren Shen either try it in small amounts tentatively or add other herbs to control its action. This dilutes its authority and weakens its specific force; how can people rely on it for survival?)
Chen Xiuyuan stated: When Yin deficiency fails to anchor Yang, causing Yang Qi to be on the verge of collapse, this formula is used. It saves Yin to retain Yang. If Yang Qi suddenly collapses, manifesting as cold limbs (Jue Leng), formulas like Sini Tang (Frigid Extremities Decoction) should be used. Using this decoction would instead accelerate danger. Therefore, ancients mostly used it after severe sweating or purging, and in conditions such as hematemesis, uterine bleeding, and postpartum blood syncope. Modern people believe Ren Shen greatly tonifies Yang Qi; this is due to confusion caused by erroneous theories from the Yuan Dynasty and books like Li Shizhen's Bencao Gangmu (Compendium of Materia Medica). They do not know that Ren Shen grows in the valleys of Shangdang, Liaodong, Youzhou, and Jizhou. It faces away from the sun towards the shade, has a sweet taste with a hint of bitterness, possesses a soft, moist, and fluid-rich texture, changes color and becomes prone to insect damage when exposed to sunlight.

Treats all types of blood disorders, hot blood, and dry blood syndromes.

Dual tonification of Qi and Blood.
Si Wu Tang (Four Substances Decoction) consists of Dang Gui (Angelicae Sinensis Radix), Shu Di Huang (Rehmanniae Radix Praeparata), Bai Shao (Paeoniae Radix Alba), and Chuan Xiong (Ligustici Chuanxiong Rhizoma). Various formulas treating blood disorders are encompassed within these four. (Dang Gui washed with wine and cooked, Shu Di Huang each 3 qian; Bai Shao 2 qian; Chuan Xiong 1.5 qian.)
If combined with the ingredients of Si Jun Zi Tang (Four Gentlemen Decoction): (Ren Shen, Bai Zhu, Fu Ling, Gan Cao.) The Ba Zhen Tang (Eight Treasures Decoction), which dual-tonifies Qi and Blood, holds high esteem. (Si Jun Zi Tang tonifies Qi; Si Wu Tang tonifies Blood.)
Chen Xiuyuan stated: Si Wu Tang consists of dull and stagnant substances; it cannot treat the source of blood issues. Even Ba Zhen Tang, which dual-tonifies Qi and Blood, is rigid and inflexible. One must skillfully master methods of modification and addition to achieve efficacy.

Dual tonification of Qi and Blood. A method of ten tonifications without any purgation.

Treats simultaneous deficiency of Spleen and Lung. Manifestations include fever and aversion to cold, emaciation and fatigue of limbs, poor appetite, and diarrhea. If there is dual deficiency of Qi and Blood, presenting with various symptoms, regardless of the disease or pulse, simply using this decoction will cause all symptoms to recede.
Gui Zhi (Cinnamomi Ramulus) added to Ba Zhen Tang decoction. Its great tonifying power is grandly called Shi Quan (Ten Complete). (Ba Zhen Tang plus Huang Qi (Astragali Radix) and Rou Gui (Cinnamomi Cortex), named Shi Quan Da Bu Tang (Great Tonifying Decoction of Ten Completes)). Further add Yuan Zhi (Polygalae Radix), Chen Pi (Citri Reticulatae Pericarpium), and Wu Wei Zi (Schisandrae Chinensis Fructus). Remove Chuan Xiong to prevent acrid dispersal, specializing in nourishing Ying (Nutritive) Qi. (Shi Quan Da Bu Tang, removing Chuan Xiong, adding Chen Pi, Wu Wei Zi, and Yuan Zhi, named Ren Shen Yang Rong Tang (Ginseng Decoction for Nourishing Nutritive Qi). The prescription uses Bai Shao 1.5 qian, Ren Shen, Bai Zhu, Chen Pi, Zhi Gan Cao (Honey-fried Licorice Root), Fu Ling, Dang Gui, Gui Xin (Cinnamon Heart) each 1 qian, Shu Di Huang 0.75 qian, Yuan Zhi 0.5 qian, Wu Wei Zi 14 grains, decocted with Sheng Jiang (Fresh Ginger) and Da Zao (Jujube).)
Chen Xiuyuan stated: Shi Quan Da Bu Tang is an agent for dual tonification of Qi and Blood. Ke Yunbo criticized it for tonifying Qi without using Qi-moving herbs; thus, in severe Qi deficiency, there is no Qi to receive the tonification. For tonifying Blood while still using Blood-moving herbs, in severe Blood deficiency, there is even less Blood to circulate. This is not an excessive criticism. The subtlety of Ren Shen Yang Rong Tang lies in its derivation from Zhang Zhongjing's Xiao Jian Zhong Tang (Minor Construct the Middle Decoction) and Huang Qi Jian Zhong Tang (Astragalus Decoction for Constructing the Middle). How do we know this? From its use of raw Bai Shao as the Sovereign herb. Bai Shao is bitter and neutral, capable of breaking stagnation; it is originally a purgative, not a tonic. If used with Gan Cao, it becomes a Yin-nourishing substance. If used with Sheng Jiang, Da Zao, and Rou Gui, it becomes a harmonizer of Ying and Wei (Defensive) Qi. If used with Fu Zi (Aconiti Lateralis Radix Praeparata) and Gan Jiang (Zingiberis Rhizoma), it can urgently gather Yang Qi and return it to Yin, becoming a Kidney-tonifying substance. Although not a tonic, past sages often took it as the main component of tonics. Its principle is subtle. This formula takes Bai Shao as the Sovereign, and the components of Jian Zhong Tang are present. Disliking the excessive sweetness of Yi Tang (Maltose) which induces vomiting, they replaced Yi Tang with sweet and moist substances like Shu Di Huang, Dang Gui, Bai Zhu, and Ren Shen to tonify Supreme Yin. However, Yi Tang is made primarily from Mai Ya (Malt). Wheat is the grain of the Heart; the Heart transforms Blood to nourish the body. Thus, Yuan Zhi, which enters the Heart, is used as a substitute. Malt can disperse distance and smooth Qi flow. Thus, Chen Pi, which moves Qi, is used as a substitute. In Jian Zhong Tang, there was a precedent of removing Da Zao and adding Fu Ling for chest fullness; hence, Fu Ling is used. Carefully considering its intent, it is nothing but derived from Jian Zhong Tang. Therefore, those with dual Qi and Blood deficiency presenting with various symptoms can take it. Why is it named "Yang Rong" (Nourishing Nutritive)? The Heart governs Ying Qi and fears slackness; it must obtain the sourness of Wu Wei Zi to astringe it, causing Ying Qi to flow within the vessels and circulate to the Four Viscera, unlike Shi Quan and Ba Zhen which are vague and lack direction. ○ According to the Shennong Bencao Jing (Divine Farmer's Materia Medica): Bai Shao has a neutral and bitter taste, is non-toxic. It treats pathogenic abdominal pain, removes blood bi (obstruction), breaks firm accumulations and cold-heat patterns, stops pain, promotes urination, and benefits Qi. The original text contains only these twenty-nine characters. Later generations recklessly altered the sacred classic, claiming it is slightly sour. This obscures its bitter-draining and hard-breaking nature and adds the name of sour-astringing and Yin-harmonizing, thereby masking the true face of Bai Shao. One does not know that ancient usage either utilized its bitterness to drain sweetness, or its bitterness to constrain acridity, or its purgative action to move the stagnation of tonic herbs. They all skillfully used Bai Shao as part of tonification, not because Bai Shao itself is a tonic. However, the nature of Bai Shao is slightly similar to Da Huang (Rhei Radix et Rhizoma). In cases of diarrhea, it must certainly be removed. This is the sage's method. Failing to understand the Bencao Jing, after the Song and Yuan dynasties, everyone mistakenly recognized it as an acid-astringent herb. It is necessary to urgently correct this misconception.