[Objective]Overview the understanding of modern and traditional medicine to aphasia, and analyse the mechanism of tongue ’s 3-needle to treatment. [Methods]General discussion of modern and traditional medicine to aphasia from etiology, pathology, herapy, and further expound the principle of tongue’s 3-needle from point distribution, meridian, local anatomy and experimental study.[Results] Modern medicine focuses more on classification, mechanism, assessment of aphasia,but traditional medicine stresses on therapies. Tongue’s 3-needle,which locates on throat belong to Jin’s three needles system, relates to heart, spleen, liver maridians.They can improve local circulation, enhance neuromuscular excitability,and have a positive effect on the expression of a variety of biological factors, so they can promote recovery of language.[Conclusion] The mechanism of aphasia is complex and difficult to treat.Tongue’s 3-needle has solid theoretical basis on both traditional and modern medicine on treating aphasia,it is worth promoting and inheritting.%[目的]概述现代医学和祖国医学对失语症的认识，分析舌三针治疗失语症的机理。[方法]从中西医病因、病理、治法等方面对失语症进行总体论述，进而从穴位分布、经络循行、局部解剖以及实验研究等多角度分析舌三针治疗失语症的机理。[结果]现代医学对失语症分类、机理、评定研究深入，祖国医学侧重治疗，干预手段较多。舌三针穴位，位于咽喉部，与心、脾、肾等多条经络相关，针刺能够改善局部循环，增强神经肌肉兴奋性，对多种生物因子表达有积极的作用，能促进语言功能恢复。[结论]失语症的机制复杂，治疗难度较大，舌三针具有坚实的理论基础和临床疗效，值得传承推广。
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