Fine pungent has a small poison, no matter how many grams are poisonous. It is pungent in flavor, warm in nature, slightly toxic, and belongs to the heart, lung, and kidney meridians. It can relieve cold and flu, headache, toothache, rheumatism and paralysis, congested nose, nasal congestion and runny nose. Because of the small toxicity, the dosage should not be too large, the dosage of fine Xin must follow the doctor’s instructions, the usual dosage of 1-3 g. The adverse effects of fine Xin are not clear, and the dosage of fine Xin has been shown to be very high. Adverse effects of fine Xin is not clear, Yin deficiency and hyperactivity (Yin deficiency, hyperactivity) headache, lung dryness and injury to Yin dry cough should not be used, should not be used with quinoa. The dosage of fine Xin must not be too large, should follow the doctor’s instructions, do not take privately.