Oyster Shell ( 牡蛎 ) ...Chinese Herb...

Latin Plant Name

Concha Ostreae

Pinyin Mandarin Name

Mu Li

Common English Name

Oyster Shell

Part of Plant Used

Whole shell (crushed)




Salty, astringent

Meridians Entered

Liver, Kidneys

Common Usages

Oyster shell is used in formulas to treat irritability with associated symptoms of palpitations, insomnia, and anxiety, and sometimes ringing in the ears, blurred vision, and flushed face (TCM: Yin deficiency); also used to treat night sweats, nocturnal emissions, heartburn, and goiter.

Traditional Usages and Functions

Settles and calms Spirit; benefits Yin and restrains floating Yang; prevents leakage of fluids; softens hardness and dissipates nodules; absorbs acidity and alleviates pain.

Common Formulas Used In

Bupleurum and Dragon Bone; Tang Gui and Indigo.

Processing Required




Cautions in Use

Do not use where there is high fever with no sweating.

Leave Oyster Shell

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