Tianyi: A Traditional Chinese Medicine all-rounder language model and its Real-World Clinical Practice

Zhi Liu; Tao Yang; Jing Wang; Yexin Chen; Zhan Gao; Jiaxi Yang; Kui Chen; Bingji Lu; Xiaochen Li; Changyong Luo; Yan Li; Xiaohong Gu; Peng Cao

arXiv · 2505.13156

Tianyi: A Traditional Chinese Medicine all-rounder language model and its Real-World Clinical Practice

Zhi Liu·Tao Yang·Jing Wang·Yexin Chen·Zhan Gao·Jiaxi Yang·Kui Chen·Bingji Lu·Xiaochen Li·Changyong Luo·Yan Li·Xiaohong Gu·Peng Cao

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Abstract

Natural medicines, particularly Traditional Chinese Medicine (TCM), are gaining global recognition for their therapeutic potential in addressing human symptoms and diseases. TCM, with its systematic theories and extensive practical experience, provides abundant resources for healthcare. However, the effective application of TCM requires precise syndrome diagnosis, determination of treatment principles, and prescription formulation, which demand decades of clinical expertise. Despite advancements in TCM-based decision systems, machine learning, and deep learning research, limitations in data and single-objective constraints hinder their practical application. In recent years, large language models (LLMs) have demonstrated potential in complex tasks, but lack specialization in TCM and face significant challenges, such as too big model scale to deploy and issues with hallucination. To address these challenges, we introduce Tianyi with 7.6-billion-parameter LLM, a model scale proper and specifically designed for TCM, pre-trained and fine-tuned on diverse TCM corpora, including classical texts, expert treatises, clinical records, and knowledge graphs. Tianyi is designed to assimilate interconnected and systematic TCM knowledge through a progressive learning manner. Additionally, we establish TCMEval, a comprehensive evaluation benchmark, to assess LLMs in TCM examinations, clinical tasks, domain-specific question-answering, and real-world trials. The extensive evaluations demonstrate the significant potential of Tianyi as an AI assistant in TCM clinical practice and research, bridging the gap between TCM knowledge and practical application.

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Zhi Liu, Tao Yang, Jing Wang, Yexin Chen, Zhan Gao, Jiaxi Yang, Kui Chen, Bingji Lu, Xiaochen Li, Changyong Luo, Yan Li, Xiaohong Gu, Peng Cao. 2025-05-19. Tianyi: A Traditional Chinese Medicine all-rounder language model and its Real-World Clinical Practice. https://arxiv.org/abs/2505.13156

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