The paper introduces the applications of speech recognition in the medical field at home and abroad, expounds the design and implementation methods of the intelligent voice assistant for clinical diagnosis and treatment of Traditional Chinese Medicine (TCM), including technical architecture, functional architecture and system architecture, analyzes relevant issues, and points out that the system can realize the voice noise reduction input and accurate recognition of TCM clinical diagnosis and treatment, which has certain application value to improve the efficiency of TCM diagnosis and treatment and promote the development of TCM clinical intelligence.