Pinellia Tuber（Rhizoma Pinelliae）is the dried tubers of the plant Pinellia ternata.It is found in Northeast China, North China and Yangtze River Basin.It has the effect of removing dampness to reduce phlegm, reducing retching and retching.Used for wet phlegm and cold phlegm, cough and asthma with much phlegm, phlegm dizziness and palpitation, wind phlegm dizziness, phlegm syncope headache, vomiting and nauseas;External treatment of carbuncle swollen sputum nucleus.