航空医学具有职业医学和预防保健医学的特征。航空医师是服务于飞行人员的保健医师,其所处医疗保健的层次和工作方式具有一定的社区(或家庭)医师和全科医师的特点。航空军医(以下简称航医)是服务于军事飞行人员的航空医师,他不但具有上述航空医师所有的特征,同时又具有军事活动 Aviation medicine has the characteristics of occupational medicine and preventive medicine. Aviation physicians are health workers serving pilots, and their level of healthcare and working methods have the characteristics of a community (or family) physician and general practitioner. Aviation medical service (hereinafter referred to as medical service) is an aviation physician serving military flight personnel. He not only possesses all the characteristics of the above aviation physicians, but also has military activities