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This is Da Bu Tang (Great Tonifying Decoction) with Chuanxiong Rhizome (Chuanxiong, 川芎) removed, and Chenpi (Aged Tangerine Peel, 陈皮), Yuanzhi (Polygala Root, 远志), and Wuweizi (Schisandra Fruit, 五味子) added. It treats deficiency of both the Spleen and Lung manifesting as fever, aversion to cold, emaciation and fatigue of the limbs, poor appetite, diarrhea, dry mouth, reduced food intake, cough accompanied by dysentery, palpitations, fever with spontaneous sweating, and other syndromes.

This is Si Wu Tang (Four Substances Decoction) with Shu Dihuang (Prepared Rehmannia Root, 熟地黄) and Shaoyao (Peony Root, 芍药) removed, decocted with Guizhi (Cinnamon Twig, 桂枝) and wine. It is a compound formula used to treat abdominal pain after childbirth.

This is the combination of Si Wu Tang (Four Substances Decoction) and Shen Su Yin (Ginseng and Perilla Drink, 参苏饮). It treats exhaustion of Heart Qi leading to the inability to store blood, presenting with sallow complexion and five-palm heat (heat sensation in the palms, soles, and chest).

This is the combination of Si Wu Tang (Four Substances Decoction) and Li Zhong Tang (Regulate the Middle Decoction, 理中汤). It treats Jiao Chang (Intestinal Intercourse/Inversion, 交肠), a condition involving abnormal passage of stool through the urinary tract or vice versa.

Treats cases of cold extremities and a fine pulse nearly imperceptible:
Danggui (Radix Angelicae Sinensis, 当归) – 3 liang, acrid, warm;
Guizhi (Ramulus Cinnamomi, 桂枝) – 3 liang, peeled, acrid, hot;
Shaoyao (Radix Paeoniae Alba/Lactiflorae, 芍药) – 3 liang, sour, cold;
Xixin (Herba Asari, 细辛) – 3 liang, acrid, hot;
Tongcao (Medulla Tetrapanacis, 通草) – 2 liang, sweet.
Take these seven ingredients, add eight sheng of water, boil to obtain three sheng, remove the dregs, and take one sheng warm, three times daily.
Cheng Wuji stated: The *Neijing* says, "The vessels are the mansion of Blood; all Blood belongs to the Heart." To unblock the vessels, one must first tonify the Heart and nourish the Blood. "Bitter flavors enter the Heart first"; the bitterness of Danggui assists Heart Blood. "The Heart suffers from flaccidity; urgently eat sour to astringe it"; the sourness of Shaoyao astringes Heart Qi. "The Liver suffers from urgency; urgently eat sweet to relieve tension"; the sweetness of Dazao (Jujube Fruit, 大枣), Gancao (Licorice Root, 甘草), and Tongcao relieves the urgency of Yin Blood.

This is the base formula plus Wuzhuyu (Evodia Fruit, 吴茱萸) – 2 sheng, and Shengjiang (Fresh Ginger, 生姜) – half jin, boiled with water and wine (six sheng each). It treats reversal cold of the extremities to disperse long-standing cold. Shengjiang is acrid and warm to circulate Yang Qi.

Use Wuzhuyu (Evodia Fruit, 吴茱萸) – 1 sheng (washed), Renshen (Ginseng Root, 人参) – 3 liang, Shengjiang (Fresh Ginger, 生姜) – 6 liang, and Dazao (Jujube Fruit, 大枣) – 12 pieces. It treats desire to vomit after eating, which belongs to the Yangming syndrome.
The *Neijing* states: "When cold invades the interior, treat with sweet-hot herbs, assisted by bitter-acrid ones." The acridity of Wuzhuyu and Shengjiang warms the Stomach; the sweetness of Renshen and Dazao moderates the pulse.

Use stir-fried Wuweizi (Schisandra Fruit, 五味子) – 3 liang, and stir-fried Wuzhuyu (Evodia Fruit, 吴茱萸) – 5 qian. Grind these two into powder. Take 2 qian per dose, mixed with plain water. It treats Kidney Diarrhea occurring at dawn (fifth watch). Alternatively, if stools are loose and frequent, making pills is especially excellent.

Treats weakness of the Middle Qi due to insufficient diet and overwork, causing clear Yang to sink, resulting in Spleen-Stomach weakness, fever, headache, limb fatigue, irritability, and progressive muscle emaciation. This method raises Yuan Qi, clears deficient heat, tonifies the Spleen and Stomach, and generates Blood and Qi.
Huangqi (Astragalus Root, 黄芪) – 1 qian for severe cases with labor-induced fever;
Zhi Gancao (Honey-fried Licorice Root, 炙甘草) – 5 fen each;
Renshen (Ginseng Root, 人参) – 3 qian (remove rhizome; omit if coughing);
Baizhu (Atractylodes Macrocephala Rhizome, 白术) – 3 qian;
Fuling (Poria, 茯苓) – 3 qian;
Chenpi (Aged Tangerine Peel, 陈皮) – 3 qian;
Shengma (Cimicifugae Rhizoma, 升麻) – 2 fen;
Chaihu (Bupleuri Radix, 柴胡) – 2 fen.
These eight ingredients, chopped as one dose, are boiled in two cups of water until one cup remains. Adjust the amount of water based on whether Qi is weak or strong. Remove dregs and take warm shortly after meals.
Modifications:
If there is abdominal pain, add Shaoyao (Peony Root, 芍药) – 5 fen and Zhi Gancao (Honey-fried Licorice Root, 炙甘草) – 3 fen.
If there is aversion to cold and cold pain, add Rougui (Cinnamon Bark, 肉桂) without skin – 1 fen or 3 fen.
If there is no abdominal pain, remove Manjingzi (Vitex Fruit, 蔓荆子) – 2 fen and Xixin (Herba Asari, 细辛) – 2 fen.
If there is lower abdominal pain, add... [text missing]; Abdominal pain is generally a Cold syndrome; both decoctions and pills treat pain. If dampness causes body heaviness, adding Shengma (Cimicifugae Rhizoma, 升麻) and Cangzhu (Atractylodes Lancea Rhizome, 苍术) damages the person... [text missing] Xuanmingfen (Natrii Sulfas, 玄明粉) – 5 fen... In winter or... [text missing] ○ In summer... avoid using for cold... ○ If able to eat but with epigastric fullness/stuffiness, add Huanglian (Coptis Rhizome, 黄连) – 1 fen or 3 fen. ○ If unable to eat with epigastric fullness, do not add Huanglian. ○ If there is hypochondriac pain or tightness/constriction, add Chaihu (Bupleuri Radix, 柴胡) – 3 fen, up to 5 fen for severe cases. The above modifications apply because initial onset from diet, labor, and emotional irregularity leads to Heat in the Middle, which can be treated this way. If it later transmits to Cold in the Middle, it cannot be used. Sweet and sour flavors alone would only exacerbate the disease, such as those found in Huangqi, Renshen, Gancao, Shaoyao, and Wuweizi. From Li Dongyuan's *Pi Wei Lun* (Treatise on the Spleen and Stomach).