Introduction of prickly heat

Zan, alias: Li Ding, Da Shi, Da Shi; Latin name: Roripa Montana. Annual or biennial herb, a weed in Yuan Ye. The seed used as medicine is called "prickly heat", which is cold in nature and bitter in taste. Their functions are: clearing away lung heat, promoting diuresis, resolving phlegm and relieving asthma. China is widely distributed. Lepidium chinense is the mature seed of Lepidium chinense or Descurainia sophia. The former is called "northern miliaria" and the latter is called "southern miliaria", which is one of the commonly used Chinese medicines. Prickly heat first appeared in Benjing, which has the functions of purging lung, relieving asthma, diuresis and detumescence. Used in Li Ting jujube Xie Fei decoction, Ji Jiao Li Huang pill, Daxie chest pill and other prescriptions.