33、书必择而读；人必择而交；言必择而听；路必择而蹈。张履祥
[Abstract] According to the correlative analyses on Chinese medicine essence， dosage forms and quality control level， it expounds the precise concept of Chinese medicine， and its quality advantages and characteristics in this paper， furthermore discusses how to achieve the ideal drugs and Chinese medicine quality precision in expectation. Base on the Chinese medicine essence， using the concept of nature medicine and its drug system to construct Chinese medicine effective material basis and its drugs， with the correlative analyses of whole view and reductionism， the problems of uncertainty quality of original natural medicinal resources and preparations may well be solved， and further with the macroscopic to microcosmic construction of drug system， the precision in expectations of Chinese medicine quality and higher production lever may well be achieved.
5．家兔静脉注射丁香油酚，可产生麻醉、降低血压、呼吸抑制与抗惊厥作用。但对小鼠皮下注射，不能产生麻醉作用。丁香还含有子宫收缩成分。