Pinyin: Xi Jiao  Chinese: 犀角
Pharmaceutical: Cornu Rhinocerotis Asiatici
English: Rhinoceros Horn

Tastes: Sour, salty, cold
Meridians Entered: Liver and Heart

Actions & Indications:

1. Clears Heat from the Ying and Xue stages, relieves Fire toxicity, cools the Blood, clears skin blotches and stops bleeding
   Ying or Xue Stage Heat or Blood Heat with a very high fever and chaotic movement of Blood (erythema, purpura, epistaxis, hematemesis, convulsions and delirium)
2. Clears the Heart and calms the Shen
   Shen disturbance
3. Clears Heat and extinguishes Liver Wind (arrests tremors)
   Warm-Heat pathogen diseases when the Heat enters the Ying or Xue levels with unremitting high fever, loss of consciousness, delirium, convulsions or manic behavior
4. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the middle class of animal parts which can, with protracted taking, make the body light. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 2.5-10g in decoction, or as pills or powder.
Cautions: Due to its endangered status it is contraindicated from use. It is generally substituted with Shui Niu Jiao. Since animal products are prohibited from use in the UK under the Medicines Act 1968 ch. 67 which restricts herbalists to the use of plant products only, this is also prohibited. It is generally substituted with Huang Lian and Xuan Shen in 3:1 ratio.
Traditional contraindications include pregnancy. It is incompatible with Wu Tou and Lei Wan.

Pinyin: Xuan Shen  Chinese: 玄參
Pharmaceutical: Radix Scrophulariae
Taxonomy: Scrophularia ningpoensis
English: Chinese Figwort Root / Ningpo Figwort Root

Tastes: Bitter, sweet, salty, light cold
Meridians Entered: Heart, Stomach, Kidney, Lung

Actions & Indications:

1. Clears Heat and cools the Blood
   Xue Stage Heat or Blood Heat with hemorrhage (hematemesis), fever, dry mouth and a purplish tongue
2. Nourishes Yin
   Yin Deficiency with Heat signs especially as sequelae from Warm Febrile Disease with Dry Lungs, insomnia, constipation, an unclear Shen and irritability
   Yin Deficiency dry Lungs
   Heart Yin Deficiency
   The Shen Nong Ben Cao Jing places it as a middle herb and indicates it is for "postpartum ailments in women, tonifies Kidney Qi and improves eyesight"
3. Softens hardness and dissipates nodules (Transforms Phlegm-Heat)
   Neck lumps (goiter, scrofula) due to Phlegm Fire
   Severe throat pain and swelling
   The Shen Nong Ben Cao Jing indicates it is for "abdominal distension"
4. Drains Fire and relieves Toxicity
   Extreme throat pain or red, swollen eyes
   Ying Stage Heat
   The Shen Nong Ben Cao Jing indicates it is for "heat accumulation"
5. Calms the Spirit agitated by Parasites damaging the Yin
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)

Standard Dosage: 10-15g in decoction.
Cautions: It is contraindicated in cases of diarrhea due to spleen deficiency. It is antagonistic to Li Lu.

Pinyin: Sheng Di Huang  Chinese: 生地黃
Pharmaceutical: Radix Rehmanniae
Taxonomy: Rehmannia glutinosa
English: Chinese Foxglove Root / Rehmannia Root

Tastes: Sweet, bitter, cold
Meridians Entered: Heart, Liver, Stomach and Kidney

Actions & Indications:

1. Clears Heat and cools the Blood
   Ying Stage Heat with high fever, thirst and a scarlet tongue
   Xue Stage Heat
   Hemorrhage due to Blood Heat
2. Nourishes Yin, generates fluids, increases saliva and treats wasting and thirsting
   Yin Deficiency with Heat signs
   Injury to fluids
   Throat pain due to Yin Deficiency
   Wasting and thirsting disorder (消渴 Xiao Ke - diabetes)
3. Cools Heart Fire
   Heart Fire
4. Calms the Spirit agitated by Parasites damaging the Yin
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
5. Breaks up Blood Stasis, expels Cold and Hot Bi, replenishes Bone Marrow and promotes the growth of Muscles and Flesh
   Broken bones or severed sinews from falls and a damaged center (Shen Nong Ben Cao Jing)
6. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, make the body light, and prevent forgetfulness. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 10-15g in decoction.
Cautions: It is contraindicated in cases of diarrhea, abdomen distention due to spleen deficiency.

Pinyin: Mai Men Dong  Chinese: 麥門冬
Pharmaceutical: Radix Ophiopogonis
English: Dwarf Lilyturf Root

Tastes: Sweet, slightly bitter, slightly cold
Meridians Entered: Stomach, Lung and Heart

Actions & Indications:

1. Moistens the Lungs, nourishes Yin and stops coughing
   Lung Yin Deficiency with a hacking, dry cough or a cough with thick, difficult to expectorate sputum, or hemoptysis
   Pathogenic Warm-Dryness Dryness that has transformed into Fire
2. Nourishes Stomach Yin and generates Fluids
   Stomach Yin Deficiency with dry mouth and tongue
3. Moistens the Intestines
   Constipation, dry mouth and irritability as a result of febrile disease or Yin Deficiency
4. Clears the Heart and eliminates irritability
   Ying Stage Heat with fever and irritability which is worse at night
   Yin Deficiency with fever and irritability which is worse at night
5. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the middle class of herbs which can, with protracted taking, make the body light, prevent senility and make one free from hunger. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 10-15g in decoction.

Pinyin: Jin Yin Hua  Chinese: 金银花
Pharmaceutical: Flos Lonicerae japonicae
Taxonomy: Lonicera japonica
English: Honeysuckle Flower

Tastes: Pungent, slightly bitter, cold
Meridians Entered: Lung, heart, stomach and large intestine

Actions & Indications:

1. Clears Heat and resolves Fire Toxicity
   Hot, painful sores and skin eruptions in various stages of development, especially breast, throat and eyes
   Intestinal abscesses
2. Vents and disperses External Wind-Heat
   Early-Stage Wind-Heat Warm-Heat pathogen with fever, chills, slight aversion to Wind, sore throat and headache
   External Summerheat
3. Clears Damp-Heat from the Lower Jiao
   Damp-Heat in the Lower Jiao with dysentery or Lin Syndrome
4. Cools the Blood and stops bleeding (charred)
   Blood Heat dysentery
5. Releases the Exterior and Drives Out Snakes
   Gu Sydnrome (Fruehauf, 1998)
   Chronic inflammatory disease (Fruehauf, 2015)
   Mysterious bruises due to Ghost Strike (鬼擊) (Wilcox, 2024)

Standard Dosage: 6-30g in decoction. Small doses are for expelling Wind-Heat, large doses for Toxic Heat sores. Can be up to 90g in extreme cases (e.g. Si Miao Yong An Tang).

Pinyin: Lian Qiao  Chinese: 连翘
Pharmaceutical: Fructus Forsythiae
Taxonomy: Forsythia suspensa
English: Weeping Forsythia Capsule / Forsythia Fruit

Tastes: Bitter, slightly pungent, slightly cold
Meridians Entered: Lung, Heart and Gall Bladder or Small Intestine

Actions & Indications:

1. Clears Heat (especially in the Upper Jiao) and resolves Toxicity
   Wind-Heat with high fever, slight chills and sore throat
   Bound Heat
2. Reduces abscesses and dissipates clumps
   Toxic Heat sores and swellings (Chuang Yung), swollen welling abscesses, malign sores, scrofula, goiter and tumours of the neck
   Throat Bi
3. Clears Blood Heat
   Blood Heat
4. Promotes urination
   Lin syndrome (urinary stones), dysuria, haematuria
5. Releases the Exterior and Drives Out Snakes
   Mentioned in the Shen Nong Ben Cao Jing as an inferior herb that treats Gu Toxins
   Chronic inflammatory disease (Fruehauf, 1998; 2015)

Standard Dosage: 10-15g in decoction.

Pinyin: Huang Lian  Chinese: 黄连
Pharmaceutical: Rhizoma Coptidis
Taxonomy: Coptidis chinensis
English: Coptis Rhizome / Goldthread Rhizome

Tastes: Bitter, cold
Meridians Entered: Heart, Stomach, Large Intestine and Liver

Actions & Indications:

1. Clears Heat and drains Dampness
   Damp-Heat in the Stomach or Intestines with diarrhoea or dysenteric disorder
   Stomach Heat with vomiting and/or acid regurgitation
2. Drains Fire and resolves Fire toxicity
   Heat with Blazing Fire (Toxic Heat) with high fever. irritability, disorientation, delirium, a red tongue and a rapid, full pulse
   Heat from Excess with toxicity: painful, red eyes and a sore throat
   Boils, carbuncles and abscesses (Chuang Yung)
3. Clears Heat and stops bleeding
   Blood Heat with epistaxis, hematuria, hemafecia and hemoptysis
4. Clears Heat topically
   Infected wounds, red and painful eyes, ulcerations of the tongue and mouth (topical)
5. Clears Heart Fire (sedative)
   Heart Fire
   Lack of communication between the Heart and Kidneys
6. Drains Stomach Fire
   Stomach Fire
7. Aids fasting
   Mentioned in the Shen Nong Ben Cao Jing as part of the superior class of herbs which can, with protracted taking, improve memory. This may suggest it was part of supplementing the diet when engaging in an "avoiding grain" (Bigu 辟穀) fasting regime to cultivate life (Yangsheng 養生).

Standard Dosage: 2-10g in decoction.
Cautions: It is contraindicated for deficiency-cold syndrome. Because its taste is extremly bitter and dryness, overdosage and long-time taking will impair spleen and stomach, yin and fluids.

Pinyin: Dan Zhu Ye  Chinese: 淡竹叶
Pharmaceutical: Herba Lophatheri
English: Bamboo Leaves and Stem

Tastes: Cold, bitter, sweet and bland
Meridians Entered: Small Intestine, Lung and Stomach

Actions & Indications:

1. Clears Heat and eliminates irritability
   Internal Heat patterns with irritability, restlessness, dry mouth and thirst
   Mouth and lip ulcers ulcers due to Heat in the Heart or Stomach channels
2. Promotes urination and clears Damp-Heat
   Rough, scanty, painful urination
   Especially useful for Heat in the Small Intestine channel with rough, scanty, painful urination, irritability and a dark, red tip of the tongue

Standard Dosage: 5-15g in decoction.

Pinyin: Dan Shen  Chinese: 丹參
Pharmaceutical: Radix Salviae miltiorrhizae
Taxonomy: Salvia miltiorrhiza
English: Red Sage Root / Salvia Root / Zi Dan Shen 紫丹參 (Purple Cinnabar Ginseng) / Xue Shen 血參 (Blood Ginseng)

Tastes: Bitter, slightly cold
Meridians Entered: Heart and Liver

Actions & Indications:

1. Invigorates the Blood and regulates menstruation, removes Blood stasis and relieves pain
   Irregular menstruation , amenorrhea , dysmenorrhea
   Abdominal masses, chest and abdominal pain
   Hot Bi Syndrome
2. Cools the Blood and soothes irritability
   Ying Stage Heat with restlessness, irritability, palpitations and insomnia
   Heart and Kidney Yin Deficiency
3. Reduces swellings
   Sores and swellings, early-stage breast abscesses
4. Nourishes the Blood and calms the Spirit
   Palpitations and insomnia due to Ying and Xue Stage Heat or Heart Blood Deficiency
5. Calms the Spirit agitated by Gu Parasites
   Agitation and restlessness caused by Heat from Gu Syndrome due to Blood Stasis or Blood deficiency
   Chronic inflammatory disease (Fruehauf, 2015)
   The Shen Nong Ben Cao Jing places it in the middle class of herbs and says it treats "Evil Qi in the Heart and abdomen with continual gurgling of the intestines like water running, cold and heat, and gatherings and accumulations. It breaks up concretions and eliminates conglomerations, relieves vexatious fullness, and boosts the qi."

Standard Dosage: 5-15g in decoction.
Cautions: Use with caution for pregnant women. Contraindicated to Li Lu.