“写长法”是以写的方式促进外语学习的一种方法。在学习阶段通过调节作文长度的要求,逐步增加写作者的写作量,进而提高学生的英语表达水平,增强其英语学习的成就感和自信心。本文概述对“写长法”的认识以及其在大学英语写作教学中的应用及教学效果。 “Writing long” is a way to promote foreign language learning by writing. During the learning phase, the writer ’s writing capacity should be gradually increased by adjusting the composition length, so as to improve students’ English expression and enhance their sense of achievement and self - confidence in English learning. This article summarizes the understanding of “long writing” and its application in college English writing teaching and teaching effectiveness.