1·Owing to change of farming technic and perennial dug, the resource of escape Pinellia Tuber is decreasing.
由于耕作技术的改变和常年采挖，半夏野生资源逐渐减少。
2·Due to it in danger of extinction, artificial cultivation of Pinellia tuber 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·The toxicant ingredients and toxic indications of Pinellia tuber are discussed, and its toxic mechanisms, detoxifying methods, pharmaceutical technics are analyzed.
对生半夏的毒性成分、中毒症状进行了探讨，并分析中毒机理、解救方法、炮制工艺等。
4·After rats were planted cotton ball subcutaneously, the administration of capsule of Xiexin Soup of Pinellia tuber can reduce the weight index of granuloma induced by cotton ball.
大鼠皮下植入棉球后给予半夏泻心汤胶囊可明显降低棉球肉芽肿的重量指数。
5·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。