The paper discusses the scientificity, evidence-based research, clinical practice and related problems of traditional Chinese medicine (TCM) from three aspects: theory, demonstration and application, and attempts to clarify ambiguities and misconceptions, further correctly evaluate the historical status, important value and realistic significance of TCM, strengthen our national and cultural confidence, reinforce our theoretical and practical confidence, and strongly refute the derogation and stigmatization towards TCM theory and practice by very few people, in order to provide suggestions for the progress and development of TCM.