Clearing Heat 1

1. Clear heat in qi level

Bai Hu Tang

White Tigar Decoction 白虎汤

bai hu tang


Shi gao 30 g, Zhi mu 9 g, Jing mi 9 g, Gan cao 3 g 


To clear heat and promote the production of body fluids


Excessive heat in the Yangming channels (or excessive heat in the Qi systems)

bai hu tang

High fever(1 big), aversion to heat, flushed face; profuse sweating (2 big); irritability, excessive thirst (3 big), preference drinking; forceful or slippery and rapid pulse (4 big)

bai hu tang, sweating

Shigao: strongly clear excessive heat

Zhimu: clear heat; nourish body fluid

Jinggmi: nourish fluid; protect stomach

Gancao: hormanize


What are the “Four Bigs” ? — (fever, sweat, pulse, thirst)

What are the properties of shi gao? (pungent-dispersing?, extremely cold, sweet)


Zhu Ye Shi Gao Tang

Decoction of Bamboo Leaf and Gypsum Combination 竹叶石膏汤


Bamboo leaf (Zhuye) 15 g

Gypsum (Shigao) 30 g

Ginseng (Renshen) 15 g

Ophiopogon root (Maimendong) 9 g

Pinellia tuber (Banxia) 9 g

Licorice (Gancao) 5 g

Oryza (Jingmi) 15 g


Deficiency of Qi and body fluids due to febrile diseases in which the remaining heat is not eliminated


Low grade fever 

Profuse sweating


Dry mouth   

Red tongue with little coating



  1. To clear heat and promote the production of body fluids. 
  2. To tonify Qi and harmonize the stomach.


Zhuye 15 g: clear heat

Shigao 30 g: clear heat

Renshen 15 g: tonify qi

Maimendong 9 g: nourish body fluid

Banxia 9 g:  stop nausea/vomiting

Gancao) 5 g

Jingmi 15 g



True or false?

1) Bai Hu Tang —- excessive heat in the interior?

2) Zhu Ye Shi Gao Tang —- def of both qi and body fluid?

3) Zhu Ye Shi Gao Tang —- excessive heat in the later stage of febrile disease?

 4) Zhu Ye Shi Gao Tang —- four “big”s

 5) Bai Hu Tang – Ren Shen + Mai Men Dong → nourish qi and yin?

2 Clear heat in the ying & blood portion/level

Qing Ying Tang

Decoction to Dispel Pathogenic Heat from Yin System


qing ying tang, xi jiao


Pathogenic heat entering the Ying (nutrient) system. 

xi jiao di huang tang, bleeding


  1. To dispel pathogenic heat from Ying (nutrient) system. 
  2. To nourish Yin and invigorate blood.

Fever worsening at night


Insomnia        excessive heat in Ying

Delirium           & disturbing the mind

Rapid pulse                           



Dull macula on skin heat in Ying (not entering blood system)

Deep red tongue with dry coating ← (heat in Ying (not entering blood system)

Xijiao / Sheng di huang — To dispel heat in the Ying system, cool the blood and release toxins

Xuan shen / Mai men dong — To replenish Yin and clear heat

Jinyinhua / Lianqiao / Huanglian / Zhuye — To clear heat and release toxins

            (push heat out of ying and go back to qi system and move out of body)

Dan shen — To invigorate blood and disperse stagnation


Rhinoceros horn (Xijiao) 2 g

Fresh rehmannia (Shengdihuang) 15 g

Scrophularia (Xuanshen) 9 g

Ophiopogon root (Maimendong) 9 g

Lonicera flower (Jinyinhua) 9 g

Forsythia (Lianqiao) 6 g

Coptis (Huanglian) 5 g

Bamboo leaf (Zhuye) 3 g

Red sage root (Danshen) 6 g

Method Used: decoction

Xi Jiao Di Huang Tang

Decoction of Rhinoceros Horn and Rehmannia Combination 犀角地黄汤


Extravasation of blood syndrome due to exogenous pathogenic heat in the blood system


  1. To clear heat and release toxins. 
  2. To cool the blood and remove stagnation.

qing ying tang, shock

Vomiting with blood


Bloody urination            excessive heat in blood system

Purplish black macula

Deep red tongue with dry coating

Rapid pulse

xi jiao di huang tang - bleeding 2

Xijiao,  Shengdihuang       To clear heat, cool the blood, release toxins and stop bleeding.

Mudanpi,  Chishao To clear heat, cool the blood, remove blood stasis.


Rhinoceros horn (Xijiao) 1.5-3 g

Fresh rehmannia (Shengdihuang) 30 g

Red peony (Chishao) 12 g

Moutan bark (Mudanpi) 9 g

Method Used: 

Rhinoceros horn (Xijiao) is ground into powder and added to the decoction. 



True or false?

Xi Jiao Di Huang Tang is indicated for syndrome of heat invading ying system. 

Qing Ying Tang has a better effect in stopping bleeding than Xi Jiao Di Huang Tang.

Difference between qing ying tang and xi jiao di huang tang?

Qyt: early stage when heat entering ying level + no sign of bleeding;

Xjdht: heat leading bleed (blood level)

3 Clear the heat and detoxify

Liang Ge San


Indications: Heat in the upper & middle Jiao

Functions: To drains Fire, unblocks bowels by clearing upper & middle Jiao

Heat in the chest and diaphragm → irritability  

Heat in the Stomach and intestines → thirst, dry lips, mouth, sore throat, constipation, and dark scanty urine

Heart Fire → cankers, red lips, disturbed spirit (irritable, insomnia, delirious speech).  

Heat in the Lungs or Liver → dry bloody nasal passages, red dry eyes, headaches, and dry hacking coughs

Heat → T- red, yellow or dry coating, P- rapid 

Lian Qiao → toxic heat

Huang Qin → heat in the HT and chest 

Zhi Zi → three jao fire

Bo He → dispersing heat

Da Huang, Mang Xiao → purging fire downward

Gan Cao → harmonizing


Lian Qiao (fructus forsythiae suspensae)…1200g

Huang Qin (radix scutellariae)…300g

Zhi Zi (fructus gardeniae jasminoidis)…300g

Bo He (herba mentae haplocalycis)…300g

Da Huang (radix and rhizoma rhei)…600g

Mang Xiao (mirabilitum)…600g

Gan Cao (radix glycyrrhizae uralensis)…600g

Method Used: decoction or powder

Huang Lian Jie Du Tang

Decoction of Coptis Combination to Release Toxins


Indications: Excessive toxic heat syndromes 

                    (Excessive heat disturbing in Sanjiao)

Functions: To reduce fire and release toxins.

1) Heat disturbing mind; Fever, irritability, insomnia, cloudy mind; or

2) Bleeding: Epistaxis, vomiting with blood, macula ; or

3) Damp-heat:  Jaundice, dysentery; or,

4) Toxic fire:  Boils, carbuncles; and

Common symptoms: 

Brown urine

Red tongue with yellow coating

Rapid and forceful pulse  


Huanglianheart+ middle jiao

Huangqin Lungupper jiao 

Huangbai lower jiao

Zhizi upper/middle/lower jiao



Coptis (Huanglian) 3-9 g

Scutellaria (Huangqin) 6 g

Phellodendron (Huangbai) 6 g

Capejasmine fruit (Zhizi) 9 g

Method Used: decoction


Pu Ji Xiao Du Yin

Universal Anti-Toxin Decoction



(Da tou wen) Flushed swollen face and head due to invasion by exogenous pathogenic heat and toxic factors


  1. To dispel wind. 
  2. To clear heat and release toxins.

Fever/chills ← Wind heat and toxic factors invading the exterior.

Flushed swollen face and head Epidemic wind / heat attacking the face and head.

Sore throat, thirst and dry throat Injury of body fluids by heat.

Red tongue with white or yellow coating Excessive heat.

Superficial, rapid and forceful pulse ← Exogenous pathogenic wind and heat.

Huangqin / Huanglian:  clear / reduce toxic heat in the face and head

Niubangzi / Lianqiao / Bohe / Jiangcan:   

cool/pungent, disperse wind/heat in the face and head

Xuanshen / Mabo / Banlangen: strengthen clearing toxic heat

Gancao / Jiegeng: benefit throat

Jupi/chen pi: disperse stagnated wind heat

*Shengma / Chaihu: 1) disperse stagnated wind heat (“stagnated fire should be dispersed”)

                     2) guide Huangqin / Huanglian to the head



Scutellaria (Huangqin) 15 g

Coptis (Huanglian) 15 g

Arctium fruit (Niubangzi) 3 g

Forsythia (Lianqiao) 3 g

Mentha (Bohe) 3 g

White stiff silkworm (Jiangcan) 2 g

Scrophularia (Xuanshen) 6 g

Puff-ball (Mabo) 3 g

Isatis root (Banlangen) 3 g

Licorice (Gancao) 6 g

Platycodon (Jiegeng) 6 g

Citrus Peel (Jupi) 6 g

Cimicifuga (Shengma) 2 g

Bupleurum (Chaihu) 6 g

Applications: Carbuncles, furuncles, boils and swelling on face and head, epidemic parotitis, acute tonsillitis and acute submaxillary lymphadenitis

Method Used: decoction



4 Clear heat in both the Qi and blood (1)

Qing Wen Bai Du San (Yin)


Indications: severe Fire in the Qi and Xue levels

Functions: clear Heat, detoxify, cool blood, drains Fire

high fevers and excessive thirst ← Qi level Heat

headache and rashes with general malaise ← Fire toxin

irritability, various bleeding, and rashes ← Heat in the Xue level

T- dark red (lips are also dark red), P- rapid and thin or floating and large

delirious speech and altering of consciousness —- severe condition

Bai Hu Tang (without Jingmi) clear heat and protect body fluid

Xi Jiao Di Huang Tang clear heat, cool the blood, and release toxins. 

Huang Lian Jie Du Tang (without Huangbo) → clear heat / fire in three jiao

Xuan Shen/Lian Qiao → clear “floating and scattering heat”

Jie Geng/Dan Zhu Ye → guide herbs going upward

Composition: Modified combination of Bai Hu Tang, Xi Jiao Di Huang Tang, and 

Shi Gao (gypsum)…60-120g

Zhi Mu (radix anemarrhenae asphodeloidis)…6-12g

Gan Cao (radix glycyrrhizae uralensis)…3-6g

Huang Lian (rhizoma coptidis)…6-12g

Huang Qin (radix scutellariae)…3-9g

Zhi Zi (fructus gardeniae jasminoidis)…6-12g

Xi Jiao (cornu rhinoceri)…9-12g

Sheng Di Huang (radix rehmanniae glutinosae)…9-15g

Mu Dan Pi (cortex moutan radicis)…6-12g

Chi Shao (radix paeoniae rubrae)…6-12g

Xuan Shen (radix scrophulariae ningpiensis)…6-12g

Lian Qiao (fructus forsythiae suspensae)…6-12g

Jie Geng (radix platycodi grandiflori)…3-6g

Dan Zhu Ye (herba lophatheri gracilis)…3-6g

Method Used: decoction