自我在西方人格心理学中是个极其重要而又含糊不清的概念。本文从自我的形成、实质、自觉性、存在性四个方面，剖析了西方人格心理学中有关自我的论述，认为从自我研究的发展看，心理学家们日益重视的是自我的后天性、整合与适应性、意识性、存在性。 Self is an extremely important and ambiguous concept in Western personality psychology. This essay analyzes the self-discussion in western personality psychology from four aspects: self-formation, essence, consciousness and existence, and thinks that from the development of self-study, psychologists pay more and more attention to self-acquired nature, Integration and Adaptability, Consciousness, Existence.