Clinical often use the insect medicines such as leech, stiff silkworm, shell off cicada and crow snake, put yin benefit angry medicine in an important position to raise, carefully use acrid drug.
临床用药时常用水蛭、僵蚕、蝉蜕、乌蛇等虫药,重用养阴益气药,慎用辛燥药。
The paper compared structure and economic of those methods, and gave out a new method of cutting chestnut's shell off . It has good economic and simple operation.