本文件旨在说明汤剂领域的分类结构。 本文件描述了一个概念系统，详细说明了认可特征的领域约束，每个领域约束由语义链接和适用的特征类别组成。 以下主题不在本文件范围内: -饮片模型； -描述煎药后加工或制造过程（如包装）的分类结构规范； -单个药物、医药产品或草药。 本文件适用于术语系统/资源。

This document aims to specify categorial structures in the field of decoction. This document describes a concept system detailing domain constraints of sanctioned characteristics, each composed of a semantic link and applicable characterizing categories. The following topics are out of scope of this document: — models of decoction pieces; — the specification of categorial structures for the representation of post or manufacturing processes of decoction such as packaging; — individual pharmaceutical, medicinal products or herbal substances. This document is applicable to terminological systems/resources.