本文通过描述言意之辨从先素至明清的基本线索，试图说明言意之辨的认识根源是语言对于思想的非同一性，由此产生了“言不尽意”与“言尽意”的不同解答；“言不尽意”论在思想史上既有打破经典束缚的方法论意义与文人学士的审美、修身意义，又是通向神秘主义本体论的必经环节；儒、道、佛的言意观从不同侧面揭示了语言与思想的某些复杂关系，但缺乏概念的清晰性和论证的科学性，未能全面、正确地解答这一认识之谜。 By describing the basic clues from the prime of the speech to the Ming and Qing dynasties, this essay tries to illustrate that the origin of the recognition of the meaning is the non-identity of the language to the thought, which leads to the “incomplete” and " In the history of thoughts, both the methodological meaning of breaking the classic bondage and the aesthetic and self-cultivation meanings of the scholars and bachelors are the necessary steps leading to the ontology of mysticism. The Confucianism, Taoism and Buddhism The view of implication of meaning reveals some complex relations between language and thought from different aspects. However, the lack of clearness of concepts and the scientific nature of the argument fail to answer the mystery in a comprehensive and correct way.