ISO/TS 17938:2014 defines the structure of the semantic network by describing the semantic types and semantic relations of TCM language system. ISO/TS 17938:2014 is intended to: a) support establishment of Unified Semantic Modelling TCM Language System; b) support develop of standardized TCM concepts and relationships of concepts; c) provide a conceptual framework for the concept representation of TCM Language; d) provide the minimal coding for the semantic network structure; e) support improvement in the processing of natural language by computer systems. ISO/TS 17938:2014 has been developed for the first time. The initial content described within it is intended to be used as a starting point for the application of the content in the information system.