The present research presents an overview of the definitions of two basic concepts in autonomous learning: learner autonomy, teacher autonomy. Based on these definitions, taking the Chinese context into consideration, this research attempts to redefine these concepts respectively. The present research is mainly concerned with the relevant theoretical framework of learner autonomy, namely cognitive learning theories, humanistic psychology, and constructivist theories of learning, and holds that developing learners‟ autonomous learning ability is very necessary to foreign language teaching reform in China. Several enlightenments are made in the end.