Results:Original source of a quotation of Siqi decoction was that of compatibility of medicine concerning the tuber of pinellia and the bark of official magnolia.
结果：汉代张仲景的《金匮要略》的半夏厚朴汤是四七汤源流。
2
Due to it in danger of extinction, artificial cultivation of Pinelliatuber has caused the extensive concern in recent years.
由于野生半夏资源日益匮乏，近年来，半夏的人工栽培快繁技术引起了广泛关注。
3
Owing to change of farming technic and perennial dug, the resource of escape PinelliaTuber is decreasing.