Alpinia officinarum: nature and taste, pungent, bitter and warm.

Alpinia officinarum Hance, another name of Alpinia officinarum Hance, is a perennial herb with cylindrical rhizome.

Its nature is warm and pungent; It has aromatic aroma, knots, annular membranous scales at the knots, and takes root at the knots. Indications: epigastric cold pain, stomach cold vomiting, belching and acid swallowing. Distributed in Yunnan, Guangdong, Guangxi and Taiwan Province.

Dried ginger: alias: white ginger, homogeneous ginger, dried ginger, dried ginger, which is the dried rhizome of Zingiberaceae. Perennial herb, 40 ~100 cm high, rarely blooms when cultivated. It is cultivated in most parts of our country. Location: Sichuan and Guizhou. Collecting and digging in winter, removing stems, leaves and fibrous roots, washing and drying in the sun or drying at low temperature.

Its taste is pungent and its nature is hot. Enter spleen, stomach, heart and lung meridians. Warming the middle energizer to dispel cold, returning yang to activate the pulse, eliminating dampness and phlegm, warming the lung and dissolving the drink. Cold pain in epigastrium, vomiting and diarrhea; Lung cold, chronic cough and asthma, and excessive phlegm.