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What is virtual fire in Chinese medicine?

2026-04-01 14:16:23

Deficiency fire in traditional Chinese medicine: concept, manifestation and conditioning

Deficiency fire is a pathological state in the theory of traditional Chinese medicine. It refers to the phenomenon of deficiency and hyperactivity caused by insufficient yin fluid. It is different from excess fire. Its essence is "deficiency of yin and hyperactivity of yang". The main symptoms include dry mouth and throat, hot flashes and night sweats, insomnia and dreaminess, etc. The main treatment is to nourish yin and reduce fire. This article will start with the causes, symptoms, differences between deficient fire and excess fire, and treatment methods to help readers systematically understand this concept of traditional Chinese medicine.

1. The causes and core manifestations of virtual fire

What is virtual fire in Chinese medicine?

Deficiency fire is often caused by staying up late for a long time, being overworked or being ill for a long time, which consumes Yin fluid, leading to an imbalance of Yin and Yang in the body, and Yin not controlling Yang. Typical symptoms can be summarized into three categories:Shangjiaoxuhuo(such as mouth ulcers, dry sore throat),Middle coke and weak fire(such as epigastric burning but poor appetite),Lower Jiao Deficiency Fire(Such as soreness of waist and knees, five upset stomachs and fever). The difference from excess fire is that although patients with deficient fire have signs of heat, they have a red tongue with less coating, a thready pulse, and prefer to drink warm water rather than cold drinks.

2. Key points for identifying virtual fire and real fire

Excess fire is mostly caused by the invasion of external evils or heat accumulation in diet, and the symptoms are severe (such as high fever, constipation, yellow and thick tongue coating), and it is necessary to clear away heat and purge the fire; while the course of deficient fire is longer, the heat symptoms are mild but the symptoms recur repeatedly. For example, gum swelling and pain also occur. In cases of excessive fire, the swelling and pain are severe and accompanied by bleeding, while in cases of weak fire, there is dull pain and loose teeth. Zhang Jingyue, a doctor in the Ming Dynasty, emphasized in "Jingyue Complete Book": "A deficiency of fire is a deficiency of true yin, which can be cured without bitter cold."

3. Principles and common methods of regulating virtual fire

Traditional Chinese medicine regulates deficient fire with the principle of “nourishing yin as the basis and reducing fire as the standard”. Commonly used prescriptions includeZhibai Dihuang Pills(Nourishing kidney yin, clearing deficiency heat),Heavenly King Bu Xin Dan(Nourish the mind and calm the mind). You can eat yin-nourishing ingredients such as white fungus, lily, and Ophiopogon japonicus on a daily basis, and avoid spicy, warm and dry foods. Acupoints such as Taixi and Sanyinjiao are often selected for acupuncture to replenish kidney yin. It should be noted that abuse of heat-clearing and detoxifying drugs may aggravate yin deficiency, so medication needs to be used under the guidance of a physician.

Summary and Notes

Deficiency of fire is a common problem for people with yin deficiency constitution. Treatment requires taking into account both the root cause and the root cause and requires long-term maintenance. If symptoms persist or worsen, it is recommended to consult a professional Chinese medicine practitioner for syndrome differentiation and treatment. The patent medicines on the market for yin deficiency and excessive fire include:Liuwei Dihuang Pills(Produced by Tongrentang, Jiuzhitang and other brands) It needs to be used symptomatically and cannot be taken blindly. Maintaining a regular schedule, moderate exercise and a calm mood are the fundamental ways to prevent asthenic fire.

Common Chinese patent medicinesMain functionsManufacturer example
Zhibai Dihuang PillsNourishing yin and reducing fireBeijing Tongrentang, Lanzhou Foci
Liuwei Dihuang PillsNourishes kidney yinJiuzhitang, Zhongjing Wanxi

Quote sources:1. "Huangdi Neijing" - Theory of Yin and Yang Balance 2. "Jingyue Complete Book"·Zhang Jingyue - Discussion of Syndrome Differentiation of Deficiency Fire 3. "Guidelines for the Diagnosis and Treatment of Common Diseases in Internal Medicine of Traditional Chinese Medicine" by the State Administration of Traditional Chinese Medicine 4. The production information of common Chinese patent medicines is based on the filing data of the State Food and Drug Administration.

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