中文摘要：

智能导师系统（ITS）是实现智能化教学的有力工具，它的诞生及发展给教育教学带了很大的契机和挑战。该文对智能导师系统的发展历程进行了详细的梳理，进一步明确了智能导师系统的概念及其内涵。文章在分析智能导师系统基本结构的基础上，详细介绍了系统各组成部分的功能以及近几年的最新研究成果；最后，总结了智能导师系统研究的发展趋势，并展望了未来的发展前景。

英文摘要：

Intelligent Tutoring System （ITS） is a powerful tool to realize intelligent and personalized learning. Its appearance and development has brought great opportunities and challenges for education. This paper gives a detailed description of the history and development of Intelligent Tutoring System. In this paper the authors clarify the concept and connotation of intelligent tutoring system. Then it describes the basic structure and essential components of intelligent tutoring system. The functions of each component and the latest research results are also introduced. At last, the paper summarizes the main research trends and future developments of intelligent tutoring system.