Under the background of the globalization and the possibility of Internet-based virtual reality, online education gradually becomes a trend of today's teaching method. As one aspect of computer assisted language learning, online education in China has drawn the attention of educators, experts, teachers, and learners. However, the studies in the role of instructors in online education in China are still limited. So, this paper will try to research and rethink the instructor role in online education, aiming to recommend some applicable measures to improve the current situation of online education.