慢性肺原性心脏病(简称肺心病)是我国劳动人民的常见病、多发病,病死率较高。严重影响人民的身体健康,妨碍“抓革命,促生产,促工作,促战备”伟大指示的落实。据研究资料表明,随着海拔的增高,平均年气温的下降,肺心病发病率明显 Chronic pulmonary heart disease (referred to as pulmonary heart disease) is a common disease of our working people, frequently-occurring disease, high mortality. Seriously affecting people’s health and hindering the implementation of the great directive of “grasping the revolution, promoting production, promoting work, and promoting combat readiness.” According to research data show that with the elevation of the average annual temperature drop, the incidence of pulmonary heart disease significantly