Platycodon grandiflorus is a perennial herbaceous plant with a stem height of 20~120 cm, usually glabrous, even densely covered with short hairs, not branched, and rarely has upper branches. The leaves are all whorled, some are whorls to all alternate, sessile or have very short stalks, the leaves are ovate, ovate to lanceolate, the leaves are ovate or ovate-lanceolate, the flowers are dark blue or dark purple-white, can be used as ornamental flowers; Its root can be used as medicine, has the effects of cough and expectoration, lung promotion, pus drainage, etc., and is commonly used in traditional Chinese medicine.
