随着二胡音乐作品表现内容的丰富及技巧难度的提高,合理规范二胡左手基础手型是十分必要的。在高校或一些专业艺术院校中,学习者在演奏中对左手手型及手指运动之间的相互作用与要求没有足够的认知,往往使二胡左手手型变成一种摆设。文章借用医学相关知识与力学原理等交叉学科,分析二胡左手基础手型的运动原理,为寻求二胡左手基础手型的规范化做一些思考与努力。 With the performance of erhu music content rich content and skills to improve the difficulty of rationalizing the left hand base pattern is very necessary. In college or some professional art schools, learners do not have enough understanding of the interaction and requirements between the left hand and the finger during performance, and often make the left hand hand of the erhu become a decoration. This article borrows the interdisciplinary theory of medical knowledge and mechanics to analyze the movement principle of the left hand base hand and makes some thinking and efforts to standardize the left hand hand base.