“学习者自主”是近几十年来外语教学研究领域的一个热门课题。本文简要探讨在CALL(计算机辅助语言学习)环境下促进学生自主学习的必要性,分析“学习者自主”的概念;从现代教育学习理论建构主义、人本主义出发,详细阐述在CALL环境下促进学生自主学习的理论背景。 “Learner Autonomy” is a hot topic in the field of foreign language teaching and learning in recent decades. This paper briefly discusses the necessity of promoting students’ autonomous learning under the environment of CALL and analyzes the concept of “learner autonomy”. Based on the constructivism and humanism of modern educational learning theory, Under the theoretical background to promote students’ autonomous learning.