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The resinous heartwood of Aquilaria sinensis (Thymelaeaceae). Enters the Spleen, Stomach, and Kidney channels. Pungent, bitter, and warm, it is a sinking and descending substance that moves qi without injuring the upright, warms the middle without drying harshness. It both moves qi to alleviate pain and warms the Kidney to grasp qi and calm wheezing. Featured in Si Mo Tang and Chen Xiang Jiang Qi San.
行气止痛、纳气平喘、温中止呕
煎服1–5g，宜后下；入丸散每次0.5–1g，多作冲服或磨汁服。因含挥发油，不宜久煎。
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
阴虚火旺、气虚下陷者慎用。孕妇慎用。
本品为瑞香科植物白木香（国产沉香）或沉香（进口）含树脂的木材，真伪优劣差异极大：国产白木香 Aquilaria sinensis 为药典所载正品，进口沉香多来自 A. agallocha 及 A. malaccensis，因野生资源稀少，市场伪品、次品繁多，入药须鉴别。阴虚火旺者不宜。
治一切冷气，攻冲心腹刺痛，及虚寒喘急，用沉香、木香、乌药等分，磨汁温服，名四磨汤。
@misc{bencaodian-chen-xiang,
author = {{Bencaodian Editorial}},
title = {Chén Xiāng 沉香 (Aquilaria Wood) — Aquilariae Lignum Resinatum},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/chen-xiang},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
沉香含沉香螺旋醇等倍半萜、2-(2-苯乙基)色酮及挥发油，具有降气温中、镇静催眠、抗炎及促胃肠动力作用。
Aquilariae Lignum Resinatum contains agarospirol and related sesquiterpenes, 2-(2-phenylethyl)chromones, and volatile oil, with qi-descending, sedative/hypnotic, anti-inflammatory, and prokinetic activity.
《中药学》（Bensky）指出沉香入煎剂应后下或研末冲服，以免有效挥发成分损失。
Bensky notes that Chen Xiang should be added late or taken as a powder to preserve volatile constituents.
陈氏药理学记载沉香提取物在动物实验中具有镇静、抗哮喘及抗抑郁活性。
Chen & Chen report sedative, antiasthmatic, and antidepressant activity of agarwood extracts in animal studies.
This section is provided for academic reference only and does not constitute medical advice.