本文以学术史的视角对民国时期学者关于民事习惯与习惯法问题的论述加以整理、分析,按照概念界定、成立的条件、效力与适用以及习惯与民法典起草等争论焦点逐一叙述,并以商事习惯为例简述特殊民事习惯的问题,意在展示民国学者对于法律与民事习惯之间冲突与融合关系的深刻认识及思考,以期对现在的习惯法理论研究有所裨益。 This article from the perspective of academic history of the Republic of China scholars on civil and customary law on the issue of argument to be collated, analyzed, according to the definition of the concept, the conditions for the establishment, validity and application of customary and civil law drafting controversy one by one narrative focus, and commercial Habitual habits as an example to describe the issue of special civil customs, intended to show the scholars of the Republic of China for the law and the relationship between civil conflicts and fusion profound understanding and thinking, with the hope of the present study of customary law benefit.