久居高原者回到平原,机体可发生一系列功能、代谢甚至结构性的改变,会出现一系列的临床症状,心肺和血液系统等一些生理参数也可有异常显示,这些临床症状和病理特征称为高原脱适应。本文通过了解久居高原汉族人群返回平原早期心肺血管脱适应情况,旨在探讨久居高原汉族人群返回平原后心脏结构和功能的变化。作者选取在西藏高原工作生活1年以上 Living in the plateau returned to the plains, the body can occur a series of functions, metabolic or even structural changes, there will be a series of clinical symptoms, cardiopulmonary and blood system and some other physiological parameters may also be abnormal, these clinical symptoms and pathological features Adaptation for the plateau. In this paper, we know the changes of cardiopulmonary resuscitation during the early return of the Han nationality in the Habitat Plateau to explore the changes of cardiac structure and function after returning to the plain. The author chose to work and live in the Tibetan Plateau for more than one year