drug product traditional Chinese medicine decoction pieces 中药饮片 Decoction Pieces TCM decoction pieces With crude medicine as raw materials, according to Chinese medicine theory, after processing, it can be directly used in traditional Chinese medicine clinical or pharmaceutical production and use of prescription drugs. 中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会.GB/T 31774-2015 中华人民共和国国家标准，中药编码规则及编码[S].2015. 以中药材为原材料，按中医药理论，经过加工炮制后，可直接用于中医临床或制剂生产使用的处方药品。