摘要：胡适在学术上所取得的成就颇多，这在学术界已逐渐得到了多数学者的认同。本文通过对胡适生平资料的收集、整理，总结出了他在学术上取得成就的“四因子”：雄厚的国学基础，这为他后来治学打下了坚实的基础；丰富的新知识、新思想，为其治学提供了参考比较的材料；科学方法论的指导，是他治学的一把利刃；现实社会的需求，是他治学前进的动力。有这四个因素，才使他能够在学术研究中驰骋，也正是在这四个因素的作用下，才使得他在学术的研究中取得了卓然的成就。

关键词：胡适 学术成就 原因

Abstract: The accomplishment that Hu Shi gets on leaning is quite much. This zais to have gained acception of a major scholar already academic circles. By direct on Hu Shi all one’s life ,collection, the collate of a data, sum up the main body of a book having put up “four factors” that he is getting accomplishment on learning: The tremendons studies of Chinese ancient civilization basics, is that he does scholarly research having laid down solid basics; Rich new knowledge, new thought, provide referential umparative mater