关键词: 信息化技术；重症患者；负性情绪；情绪调节；综述

Abstract: The ICU's environment is closed, and invasive operation is frequent, so the patients have a high incidence of negative affect. At present, information technology is widely used in the field of critical care. This article mainly summarizes the application and effects of information technology in the negative emotion regulation of critical patients, and its development and suggestions, in order to provide innovative ideas for ICU nurses to implement psychological nursing for critical patients, and promote the development of ICU information technology construction and humanistic nursing.

Key words: information technology; critical patients; negative emotion; emotion regulation; review