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Radix Psammosilenes

Jin Tie Suo
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Jin Tie Suo (Radix Psammosilenes)


The drug is the dried root of Psammosilene tunicoides W. C. Wu et C. Y. Wu (family Caryophyllaceae), growing on sandy alkaline soil in pine woods, and dry waste-lands or crevices of cliffs distributed in Yunnan, Sichuan, Guizhou of China.

  1. Jin Tie Suo
  2. 金铁锁
  3. 金鐵鎖

The Effect of Radix Psammosilenes


Bitter, pungent, warm, slightly toxic; liver meridian entered.


Dispel wind and eliminate dampness, dissipate blood stasis and alleviate pain, remove toxicity and resolve swelling.


Stomachache, rheumatic arthritis, traumatic injury, traumatic hemorrhage; sores and boils, snake and insect bites for external application.

Dosage and Administrations

Decoct 0.1~0.3 g, or soaked in wine. Proper dosage is for external application, pounded into powder for applying on the affected area.


It is contraindicated to pregnant women.