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Yin qi accumulates in the lower part, while yang qi is excessive in the upper part. If the ascending and descending functions are not timed properly, it results in *pi* syndrome (epigastric fullness and obstruction) and emaciation. Moreover, those who take *rushi* (mineral drugs) often have irregular diet and improper lifestyle regulation.

**Danggui Tang (Angelica Decoction)** (from *Shengji Zonglu*): Treats conditions arising after taking *rushi*, characterized by deficiency heat, physical weakness and fatigue, epigastric and chest fullness with stagnation, abdominal distension and fullness, or accompanied by pain in the waist and legs, and astringent sensation in the kidney region.
Ingredients: *Danggui* (Radix Angelicae Sinensis), *Gancao* (Radix Glycyrrhizae Preparata, roasted and chopped), *Chuanxiong* (Rhizoma Chuanxiong), *Yuanzhi* (Radix Polygalae), *Shaoyao* (Radix Paeoniae Alba), *Maimendong* (Radix Ophiopogonis, heart removed and roasted), *Chifuling* (Poria Cocos with black skin removed). Each 2 liang.
Usage: Coarsely crush and sieve the herbs. Take 5 qian per dose, decoct with water, add 2 jujubes, decoct to appropriate volume, strain, and take warm.

**Huangqi Tang (Astragalus Decoction)** (from *Shengji Zonglu*): Treats excessive heat caused by *rushi*, resulting in weakness, *pi* syndrome, and emaciation. It harmonizes yin and yang, clears heat, and benefits qi.
Ingredients: *Huangqi* (Radix Astragali, chopped), *Renshen* (Radix Ginseng), *Sheng Gan Dihuang* (Radix Rehmanniae Recens, dried and roasted), *Gancao* (Radix Glycyrrhizae Preparata, roasted and chopped), *Baishaoyao* (Radix Paeoniae Alba). Each 2 liang; *Guizhi* (Ramulus Cinnamomi, coarse bark removed); *Huangqin* (Radix Scutellariae, black skin removed).
Usage: Coarsely crush and sieve the herbs. Take 5 qian per dose, decoct with water, add 3 jujubes (split open), decoct to appropriate volume, strain, and take warm.

**Binglang San (Areca Seed Powder)** (from *Taiping Shenghui Fang*): Treats activation of *rushi*, manifesting as irritability and heat, epigastric fullness, qi stagnation in the large intestine, abdominal pain, and loss of appetite without desire for drink.
Ingredients: *Binglang* (Semen Arecae), *Chishaoyao* (Radix Paeoniae Rubra), *Muxiang* (Radix Aucklandiae). Each 0.5 liang; *Chuan Dahuang* (Radix et Rhizoma Rhei, 1.5 liang, slightly chopped and stir-fried); *Zhishi* (Fructus Aurantii Immaturus, bran-roasted until slightly yellow); *Chifuling* (Poria Cocos), *Chuanxiong* (Rhizoma Chuanxiong).
Usage: Coarsely crush and sieve the herbs. Take 6 fen per dose, decoct with water, strain, and take warm.

**Dafupi San (Exocarpium Citri Grandis Powder)** (from *Taiping Shenghui Fang*): Treats activation of *rushi*, manifesting as epigastric fullness, slight shortness of breath, and distending pain in the abdomen and hypochondrium.
Ingredients: *Dafupi* (Pericarpium Citri Grandis, 1 liang, chopped), *Muxiang* (Radix Aucklandiae), *Zhiqiao* (Fructus Aurantii, pith removed, bran-roasted), *Chishaoyao* (Radix Paeoniae Rubra), *Gancao* (Radix Glycyrrhizae Preparata, roasted and chopped). Each 0.5 liang; *Qianhu* (Radix Peucedani, radix removed); *Chifuling* (Poria Cocos); *Dazao* (Fructus Jujubae).
Usage: Coarsely crush and sieve the herbs. Take 6 fen per dose, decoct with water, strain, and take warm.

**Banxia Tang (Pinellia Decoction)** (from *Shengji Zonglu*): Treats activation of *rushi*, manifesting as sallow complexion, emaciation, inability to eat, epigastric and abdominal *pi* syndrome, stiffness and pain in the waist and back during movement, and lethargy.
Ingredients: *Banxia* (Rhizoma Pinelliae, soaked in water seven times then roasted), *Huangqin* (Radix Scutellariae, black heart removed), *Mugua Gen* (Radix Chaenomelis). Each 2 liang; *Zhiqiao* (Fructus Aurantii, pith removed, bran-roasted); *Guizhi* (Ramulus Cinnamomi, coarse bark removed); *Baizhu* (Rhizoma Atractylodis Macrocephalae).
Usage: Chop the herbs. Decoct with water to appropriate volume, strain, and take warm.

**Zhishi Tang (Immature Bitter Orange Decoction)** (from *Taiping Shenghui Fang*): Treats activation of *rushi* due to excessive intake of cold medicines, leading to epigastric fullness, abdominal pain, loss of appetite, and gradual emaciation.
Ingredients: *Zhishi* (Fructus Aurantii Immaturus, bran-roasted), *Chishaoyao* (Radix Paeoniae Rubra), *Danggui* (Radix Angelicae Sinensis, sliced and stir-fried), *Dafupi* (Pericarpium Citri Grandis). Each 3 fen; *Baizhu* (Rhizoma Atractylodis Macrocephalae, 0.5 liang); *Qianhu* (Radix Peucedani, radix removed, 1 liang); *Qingpi* (Pericarpium Citri Reticulatae Viride).
Usage: Coarsely crush and sieve the herbs. Decoct with water to 8/10 volume, strain, and take warm at any time.

**Dahuang Tang (Rhubarb Decoction)** (from *Taiping Shenghui Fang*): Treats activation of *rushi*, manifesting as stagnation in the large intestine, epigastric fullness, abdominal pain, and irritability with heat.
Ingredients: *Chuan Dahuang* (Radix et Rhizoma Rhei, 3 fen, chopped and slightly stir-fried), *Qianhu* (Radix Peucedani, radix removed), *Danggui* (Radix Angelicae Sinensis, chopped and slightly stir-fried), *Zhiqiao* (Fructus Aurantii, bran-roasted until slightly yellow, pith removed), *Shengjiang* (Rhizoma Zingiberis Recens). Each 0.5 liang.
Usage: Coarsely crush and sieve the herbs. Decoct with water to 6/10 volume, strain, and take warm at any time.

If the *pi* mass still does not resolve, and there is aversion to food and cold, use purgation again. (from *Zhouhou Beifang*)
Ingredients: *Dahuang* (Radix et Rhizoma Rhei, powder), *Mangxiao* (Natrii Sulfas). Each 0.5 sheng; *Gancao* (Radix Glycyrrhizae, 2 liang); *Banxia* (Rhizoma Pinelliae), *Huangqin* (Radix Scutellariae), *Yuanhua* (Flos Genkwa). Each 1 fen.
Usage: Grind into powder, store in a sealed container. Take an appropriate amount, heat over fire, and consume.

**Jiegeng Tang (Platycodon Decoction)** (from *Taiping Shenghui Fang*): Treats activation of *rushi*, manifesting as epigastric fullness, abdominal distending pain, and loss of appetite.
Ingredients: *Jiegeng* (Radix Platycodi, chopped and stir-fried), *Zhishi* (Fructus Aurantii Immaturus, bran-roasted), *Baizhu* (Rhizoma Atractylodis Macrocephalae). Each 2 liang; *Zhizi Ren* (Semen Gossypii Herbaceae, 1 liang); *Gancao* (Radix Glycyrrhizae Preparata, roasted and chopped, 0.5 liang).
Usage: Coarsely crush and sieve the herbs. Take 6 fen per dose, decoct with water, strain, and take warm.

**Helile San (Terminalia Powder)** (from *Taiping Shenghui Fang*): Treats activation of *rushi*, manifesting as headache, irritability, epigastric fullness, and abdominal distending pain.
Ingredients: *Helile* (Fructus Terminaliae, 3 fen, roasted, use peel), *Chuan Dahuang* (Radix et Rhizoma Rhei, 1.5 liang, chopped and slightly stir-fried), *Qianhu* (Radix Peucedani, radix removed), *Zhishi* (Fructus Aurantii Immaturus, bran-roasted). Each 3 fen; *Gancao* (Radix Glycyrrhizae).
Usage: Grind into powder. Take an unspecified amount, wash down with warm water.

If there are hard masses and heat-type *pi* in the abdomen causing various diseases, immediate purgation is required. (from *Zhouhou Beifang*)
Ingredients: *Zhizi* (Fructus Gardeniae), 14 pieces; *Chi* (Semen Sojae Preparatum), 5 he; Water, 2 sheng.
Usage: Decoct to obtain 1 sheng, take in one dose. If the heat is severe and sores have erupted, add *Huangqin* (Radix Scutellariae), 2 liang.