自发性气胸是临床常见急症。它的发病与气候变化有一定的相关联系。现将我院从1982年至1990年7月间收治的自发性气胸194例,计255次发病的情况作一分析。病人均为经胸片及临床确诊为气胸的住院病人。其中男179例、女15例。年龄在41岁以上者占59%。气胸不明原因组86%在40岁以下,慢阻肺组 Spontaneous pneumothorax is a common clinical emergency. Its incidence and climate change have a certain correlation. In our hospital from 1982 to July 1990 admitted 194 cases of spontaneous pneumothorax, the incidence of 255 cases for an analysis. Patients were diagnosed as pneumothorax by the chest and in-patient patients. There were 179 males and 15 females. People over the age of 41 accounted for 59%. 86% of the pneumothorax unexplained group was below 40 years of age, and COPD group