Ming Dangshen is a perennial herbaceous plant of the family Umbelliferae. The root is used as medicine. The root contains about 29% starch, 0.04% volatile oil, organic acid, sugar and so on. Taste sweet, slightly bitter, slightly cold. It has the functions of moistening the lung, resolving phlegm, relieving cough, nourishing yin and stomach, calming the liver and detoxifying. Mainly used in treating lung dryness and cough, stomach deficiency and vomiting, loss of appetite, dyspepsia, post-disease weakness and other diseases. Mainly produced in Anhui, Zhejiang, Jiangsu, Sichuan and other provinces, in addition, Jiangxi, Hubei also produced. 3 ~ 4 years harvest.
Like a warm and humid environment, do not tolerate high temperatures, when the average temperature is higher than 25 degrees Celsius or more, growth inhibition, plant wilting, can withstand some low temperatures, with a certain degree of drought resistance. Fear of flooding, low-lying poor drainage easily caused by root rot, it is appropriate to choose loose well-drained sandy loam or humus loam cultivation. Seed reproduction.