Abstract: Session impact refers to the direct and subjective impact of a session on visitors.It can monitor and manage the effects of psychological counseling.It is one of the important methods to identify the counseling deterioration，reduce the failure in psychological counseling and improve the effects of psychological counseling ultimately.This paper introduces the research process of session impact，including its definition，assessment tools，influencing factors and relationships between influencing factors and the consulting process and outcome variables.In addition，this paper suggests that further research should focus on developing the assessment tools，strengthening the integrity of session impact and improving the assessment system.

Key words: Psychotherapy, Session impact, Review

摘要： 会谈影响是指一次会谈对来访者造成的直接、主观的影响，可以对心理咨询效果进行监控和管理，是识别咨询恶化、减少咨询失败、提高心理咨询效果的重要方法之一。本文介绍了会谈影响的研究进展，包括定义、测评工具、影响因素及其与咨询过程、结果变量间的关系，建议进一步的研究应改进评估工具、加强对会谈影响研究的完整性、完善评估体系。

关键词: 心理疗法, 会谈影响, 综述