The theory of "Xiang Qi" (inspecting Qi or inspecting pneumata) is an important method of TCM inspection.It has important value in clinical diagnosis.The theoretical framework of "Xiang Qi" has been formed from the Huangdi Neijing (The Yellow Emperor's Classic of Medicine)《》. The many ideas were improved and developed in many dynasties such as Sui, Tang, Song, Jin and Yuan. Especially the theory of "Xiang Qi" has been inherited and applied in Ming and Qing dynasties, the theory of "Xiang Qi" became an important diagnostic method for the clinical practice.Especially Wang Hong()'s Wang Zhen Zun Jing(Inspection following the classics)《》 in Qing Dynasty was published.It perfected and developed the ten kinds of methods of "Xiang Qi" from three aspects. And it contained four diagnostic methods by examining Qi to determine the disease.It has promoted the value and the clinical application of "Xiang Qi" theory, and has contributed to the development of "Xiang Qi" theory.
"相气"理论是中医望诊的重要内容，在临床诊病中具有重要价值。"相气"自《内经》形成理论框架，经过历代医家的运用和发展，至明清时期趋于完善，真正成为临床实践的重要诊断方法。尤其是清代汪宏的《望诊遵经》，将《内经》"相气"理论发展为"相气十法"，促进了"相气"理论的发展和临床价值的提高，为中医诊断学的进步做出了贡献。.
Keywords: Inspection; Wang Hong; Wang Zhen Zun Jing; Xiang Qi.