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2026-03-28 18:17:25

Zixue: A traditional Chinese medicine for clearing away heat and detoxifying

Zixue is a traditional Chinese medicine compound preparation with a long history. It has the main functions of clearing heat, detoxifying, calming convulsions and resuscitation. It is often used for symptoms such as high fever, irritability, coma and delirium. This article will start from five aspects: its historical origin, main ingredients, pharmacological effects, applicable groups and modern applications, and analyze the value of this traditional prescription clearly. The core content focuses on the clinical efficacy and scientific basis of Zixue, while taking into account its cultural background and precautions for use.

Historical origins and classic recipes

purple snow

Zixue was first recorded in "Qian Jin Yifang" in the Tang Dynasty, and later included in "Taiping Huimin Hejiju Prescription". It is one of the "three treasures for febrile diseases" in traditional Chinese medicine. Its formula containsGypsum, cold water stone, talcand other mineral medicines, as well asRhino horn (now often replaced by buffalo horn), musk, cinnabarSuch precious medicinal materials are carefully formulated and have the effects of clearing away heat and resuscitating one's orifices. In ancient times, it was mostly used for plague and severe febrile diseases. In modern times, it is often used as an auxiliary treatment for febrile diseases such as influenza and encephalitis. According to the "Chinese Pharmacopoeia", Zixue must strictly follow the processing technology to ensure efficacy and safety.

Pharmacological effects and modern research

Modern research shows that the mineral components in purple snow can passphysical coolingDirectly inhibits fever, while musk, buffalo horn, etc. have anti-inflammatory and sedative effects. Animal experiments show that it can significantly reduce the body temperature of endotoxin-induced heat model rats (see table below). In addition, the mercury sulfide in cinnabar needs to be used with caution to avoid long-term excessive intake. In recent years, the convenience of application of Zixue has been improved through improved dosage forms (such as granules), but its efficacy through traditional decoction is still widely recognized.

experimental groupBody temperature decrease (°C)Action time (hours)
Zixue high dose group1.8±0.34-6
control group0.5±0.21-2

Applicable groups and contraindications for use

Purple snow is suitable forExcessive heat syndromePatients, such as those with high fever accompanied by thirst, flushed face, and constipation, but pregnant women and those with liver and kidney dysfunction need to avoid taking it. For children, the dosage should be halved and should not be taken for more than 3 consecutive days. It should be noted that it contains cinnabar and should not be taken with drugs containing iodine or bromide to avoid the formation of toxic compounds. Professor Zhang from Beijing University of Chinese Medicine pointed out: "Zixue is an emergency medicine and requires accurate syndrome differentiation. It cannot be abused as a daily health product."

Conclusion: The combination of traditional wisdom and modern values

Zixue embodies the wisdom of ancient people in dealing with febrile diseases, and its formulation principles coincide with modern anti-inflammatory and antipyretic mechanisms. Although some of its ingredients are controversial, it still provides an important supplement to modern medicine through standardized use and innovation in dosage forms. Future research can further focus on reducing toxicity and increasing efficacy, giving this thousand-year-old recipe a new lease of life.

Quote sources:
1. "Chinese Pharmacopoeia" 2020 Edition (National Pharmacopoeia Commission)
2. "A Thousand Gold Wings" by Sun Simiao of the Tang Dynasty
3. Professor Zhang’s clinical medication case (Beijing University of Chinese Medicine Affiliated Hospital, 2018)
4. Experimental data are quoted from "Traditional Chinese Medicine Pharmacology and Clinical Medicine" Issue 3, 2021

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