Baichuan-M1-14B is an open-source large language model developed by Baichuan Intelligent, optimized for medical scenarios. It is trained on high-quality medical and general data comprising 200 trillion tokens, covering over 20 medical departments, showcasing strong contextual understanding and long-sequence task performance. The model excels in healthcare applications and achieves state-of-the-art performance in general tasks for models of similar sizes. Its innovative model architecture and training approach enable outstanding performance in complex tasks such as medical reasoning and diagnosis, providing robust support for AI applications in healthcare.