Poria cocos has the efficacy of removing dampness, detoxifying, and facilitating the joints, and can be used for dampness-heat drenching, eczema itching, scrofula (mainly refers to cervical lymph node nodules tuberculosis) and so on. Poria cocos is the dried rhizome of Sarsaparilla glabra, family Liliaceae, with sweet, light and flat medicinal properties. It belongs to the liver and stomach meridians. It has the effects of removing dampness, detoxifying, and facilitating the joints. This product can be used for syphilis and mercury poisoning caused by musculoskeletal pain, limb contracture, is the essential medicine for the treatment of syphilis. It can also be used for dampness-heat drenching, eczema itching, scabies, and subluxation of the belt. It is suitable for heat drenching, eczema, eczema, scabies, and subluxation of the belt caused by dampness-heat. It can also be used for carbuncle, scrofula. It should be noted that this product should be taken with caution by people with liver and kidney yin deficiency (insufficient yin fluid in the liver and kidney), and avoid drinking tea while taking the medicine, and the adverse reactions are not clear. Do not use the drug on your own to avoid adverse reactions.