The soot left at the entrance of the wood stove (on the outer forehead, the passageway for smoke and fire to exit the stove) is primarily composed of carbon black.

bubble_chart Morphological Characteristics

It is a black powder or small granules that can be easily crushed into fine particles by hand. The texture is light and fine, resembling frost, and it can be dispersed by wind. When placed in water, it floats and disperses. It is odorless and tasteless.

bubble_chart Properties and Meridians

Acrid, warm, nontoxic.

1. Gangmu: acrid, warm, nontoxic.
2. "Jade Jue Medicinal Solution": acrid, neutral.
3. Yilin Zuanyao Tanyuan: acrid and bitter, warm.

1. Bencao Qiuzhen: Act on liver meridian, and act on kidney meridian.
2. "Essential Drugs in Different Dosages": act on liver, lung and stomach meridians.

bubble_chart Efficacy

Stop bleeding, reduce stagnation, and relieve diarrhea.

bubble_chart Indications

Used for hematemesis, hemoptysis, bloody stool, functional uterine bleeding, diarrhea, and food accumulation diarrhea. For external use, it treats traumatic bleeding and epistaxis.

bubble_chart Documentation

1. Bencao Tujing: Mainly resolves accumulation and stagnation, commonly used in modern digestive medicines.
2. Gangmu: Stops various types of bleeding, treats women's menorrhagia, leukorrhea, prenatal and postnatal diseases, cold-damage disease with yang toxin causing mania, jaundice, malaria, dysentery, dysphagia, and all kinds of sores in the throat, mouth, and tongue.
3. Yuqiu Yaojie: Astringes and stops bleeding, clears heat and dissipates blood stasis. Specifically stops loss of blood, hematemesis, bloody stool, and various types of bleeding from fistula diseases.
4. Yilin Zuanyao Tanyuan: Purges heart fire, reduces fire, eliminates false heat, stops abnormal bleeding, lowers qi, resolves accumulation, and expels phlegm.
5. Modern Practical Chinese Medicinals: Applied topically for tinea alba and scalp eczema.

bubble_chart Usage and Dosage

For internal use: Take in pills or powder form, 0.3 to 1.5 qian. For external use: Grind into powder and sprinkle or apply as a paste.

bubble_chart Cautions and Contraindications

Bencao Huiyan: For those with yin deficiency, fire dryness, cough, and lung damage, do not use.

bubble_chart Selected Prescriptions

1. To treat hematemesis, and damage to the lungs from alcohol and food intoxication, bending over and straining the lungs, hematemesis with bloody sweating, and uncontrolled bleeding from the mouth and nose, but without loss of voice: (1) Take plant soot powder, mix with sticky rice soup and take two qian. (2) Take five qian of plant soot and two liang of Sophora Flower powder. Take two qian each time with reed root soup. ("Liu Changchun's Experiential Prescriptions")
2. To treat persistent epistaxis: Blow plant soot powder into the nose. (Gangmu)
3. To treat bleeding from between teeth: Apply plant soot powder. ("Binhu Collection of Simple Prescriptions")
4. To treat internal heat due to blood deficiency, and bleeding not returning to its source leading to collapse: Take one liang of aged Sophora Flower and half a liang of plant soot. Grind into powder. Take one to two qian each time with wine quenched on a red-hot steelyard weight. (Furen Liangfang)
5. To treat massive uterine bleeding in women: Take three qian each of plant soot and baked ginger (powder), and drink with a decoction of three qian of Ginseng. (Bencao Huiyan)
6. To treat leucorrhea in women: Take one liang of plant soot and half a liang of fragrant ink. Grind into powder, take three qian each time, wrap in a slice of pig liver, wrap in paper and roast until cooked, chew finely, and take with warm wine. (Yonglei Qianfang)
7. To treat sudden unstoppable bleeding: Take one sheng of plant soot, five liang of Coptis Rhizome, and three liang of Sanguisorba. Grind and sieve into powder, take a square-inch spoonful with porridge, three times a day, and once at night for severe cases. (Waitai Miyao Fang)
8. To treat intestinal bleeding and uterine bleeding: Take plant soot, Donkey-hide Gelatin, lotus rhizome node, Platycladus, Chinese Angelica, and reed root. Grind into powder, form into honeyed pills, and take with warm wine. (Sichuan Chinese Materia Medica Shuxue Pill)
9. To treat bloody dysentery, regardless of duration: Take one liang of Coptis Rhizome (remove hairs, lightly fry), two liang of plant soot, and half a liang of Aucklandia Root. Grind finely into powder, take two qian before meals with porridge. (Shenghui Fang)
10. To treat all types of dysentery at onset: Take three qian of plant soot, one qian of gold ink, seven fen of Pinellia, fourteen cooked Croton Fruits (grind evenly), and three qian of yellow wax. Melt with sesame oil, form into pills, take three to five or forty to fifty pills each time with ginger soup. ("Qianjiang Essential" Iron Brush Pill)
11. To treat food accumulation and malnutrition in children: Take three qian of plant soot and one fen of Croton Fruit frost. Grind evenly, form into pills the size of mung beans with flying sieve flour paste, take one pill each time with plain water.
12. To treat unexplained swelling and closure of the throat: Take two qian each of plant soot and white borax. Grind finely and blow into the throat.
13. To treat mouth and tongue sores: Take two qian of plant soot, one qian of Liquorice Root, and five fen of Cassia Bark. Grind into powder and apply frequently.

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TCM can effectively treat dry eye syndrome, floaters, retinopathy, and various chronic eye diseases