本文针对“自我”一词在不同的学科、不同的角度在语词的解释、使用上无准确统一定论的现象 ,从语词的意义、哲学诠解、心理学的界定、伦理学的蕴含 ,由表及里、由此及彼、多角度地进行剖析与阐示。力图通过语言学的历史与现状 ,哲学家、心理学家、伦理学家的共同感受与不同理解 ,把“自我”全面地介绍给读者 ,以引起同仁的关注。从而使这一“有意义”的话题更有意义 This article aims at the phenomenon that the word “ego” is not accurate and consistent in the interpretation and use of words in different disciplines and different angles. From the meaning of words, the definition of psychology, the definition of psychology and the ethics, And in this, and from that, multi-angle analysis and elucidation. Through the history and current situation of linguistics, the common feelings and different understandings of philosophers, psychologists and ethicists, the author attempts to introduce “self” to readers in an all-round way to arouse the concern of colleagues. Thus making this “meaningful” topic more meaningful