中药剂量—效应关系(Dose-effect relationship)研究是保证中医药临床疗效的基础和前提。然而,中药剂量不仅仅是一个药材用量问题,药材品质(品种[1]、产地[2]、商品规格等级等)、调剂学处理(饮片粒度大小、煎煮时间等)均可能影响中药剂量的准确性,进而影响临床疗效的发挥。饮片是中药临床应用 The research on the Dose-effect relationship of traditional Chinese medicine is the basis and prerequisite for ensuring the clinical curative effect of traditional Chinese medicine. However, the dosage of traditional Chinese medicine is not only a question of the amount of medicinal materials used. The quality of medicinal materials (variety [1], origin [2], commodity specification grade, etc.), and adjustments (such as particle size, decocting time, etc.) may affect the dosage of Chinese medicine. Accuracy, in turn, affects the exertion of clinical efficacy. Pieces are clinical application of traditional Chinese medicine