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Introduction To Oyster Shell (mu li)










Oyster Shell (mu li) 

Concha Ostrea 

Properties: Salty and astringent in flavour, slightly cold in nature, it acts on the heart, liver and kidney channels. This drug is salty, cold in flavour and heavy in nature. It has effects of suppressing the sthenic Yang and traquilizing, similar to dragon¡¯s bone. With the effects of benefiting Yin and clearing heat away, its effect of the suppressing sthenic Yang is strengthed. It has the action of softening and dissolving hard masses. This drug is often used in symptoms of dizziness and insomnia due to excess of Yang and deficiency of Yin, and scrofula and subcutaneous nodule.

Effects: Suppressing the sthenic Yang and trnquilizing, astringing, softening and dissolving hard masses.


1. Irritability, insomnia, dreaminess, amnesia due to excess of Yang. It is often used with drugs of suppressing liver-yang and transquilizers, such as dragon¡¯s bone, cinnabaris, white peony root , magnetitum, etc. If those symptoms are due to deficiency of Qi and blood and poor nourishing of heart and mind, it is often used with drugs of nourishing the heart and tranquilizers, such as Semen Ziziphi spinosae, Semen Biorae, Radix Ginseng, Poria, and so on.

2. For vertigo, headache, irritability due to hyperactivity of liver-yang, it can be used together with drugs of calming the liver and suppressing sthenic Yang such as Flos chrysanthemi, Radix achyranthis bidentatae, Radix cyathulae, Margarita, Os oraconis fossilia and so on. Symptoms occurring in the late stage of febrile disease caused by worn out true Yin and asthenic wind stirring inside. It is often used with medicines of nourishing Yin and calming wind, such as plastrum Testudinis, carapax Trionycis, colla corii Asini, Radix Rehmanniae as in Bolus for Eudogenous Wind-Syndome.

3. For the treatment of spontaneous sweating, night sweating, metrorrhagia and metrostaxis, leukorrhagia, spermatorrhea, it can be used respectively with drugs of benefiting vital energy and strengthening superficies, nourishing Yin and astringing sweat, relieving metrorrhagia and leukorrhagia, strengthening the kidney and astringing spermatorrhea to supporting the healthy energy and relieving both the primary and the secondary symptoms.

4. For treatment of scrofula and subcutaneous nodules, it is often used with Radix Scrohulariae, Bulbus Friticlariae for softening and dissolving hard masses, dissipating scrofula, as in Scrofula-Eliminating Pill. It is also used for treatment of mass in the abdomen.

Besides, this drug has action of neutralizing acidity and analgesia. It can be used to relieve stomachache and acid reguritation.

Dosage and Administration: 10-30g, crushed before using and decocted earlier than other herbs. For astringing, it should be used calcined. For other purposes, it should be used unprepared.    



For the convenience of customers, we offer the Oyster Shell (mu li) as the quick-dissolving granule made through modern technology.




Every sachet is equivalent to raw herb 20 grams.


The dosage is for adults, one sachet each time, twice a day. Please put the granule into a cup, then put 50-100ml boiling water into the cup and stir it with spoon. You will get some tea, drink it when it is luke-warm. For children, the dosage should be reduced according to the weight.


Air ship 50 sachets of Oyster Shell (mu li) in the form of quick-dissolving granule for your personal use now at $57.00.


If you would like to order this raw herb, please go to the order form.


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