This product is plant Campanulaceae Codonopsis Codonopsis pilosula (Franch.) Nannf.or Codonopsis pilosula Nannf.var. Modesta (Nannf.) LT Shen or Codonopsis tangshen Oliv.'s dry root. Excavation autumn, washed and dried.
Characters dangshen arranged cylindrical, slightly curved, long 10~35cm, diameter of 0.4 ~ 2cm. Surface yellow-brown Brown to gray, the majority of the root verrucose head of the stem and bud scar, mark the top of each stem was the dot-shaped dent; root first
Under the dense band of the ring, gradually thinning down, some up to a total length of the half, planting materials or less circular cross striations; There are vertical lines and horizontal long scattered stomata, root cut off support Department often dark brown jelly.Special aroma and taste Sweetened. 
Taste and Tropism Gan, Ping. In the spleen, lung.
Functions and Indications Buzhong, Jianpi Yifei. Weakness of spleen,lung, shortness of breath heart palpitations, food will be less runny, virtual Wheezing cough, Xiaoke heat.
Usage and Dosage 9 ~ 30g.
Note Veratryl not with the same use.
Storage home ventilation dry place. Mothproof.