Teacher support, constructivist pedagogy and web-based learning environment can enhance the students ' learner autonomy, and the students ' misconception of learner autonomy and inappropriate group arrangement can hinder the students ' learner autonomy. 教师支持、建构主义教学理念和网络学习环境可以促进学生的自主学习发展,学生对自主学习不正确的观点和分组不当则不利于学生自主学习的发展。