为促进院外急救的社会化和优质高效而努力李宗浩由于社会的进步和医学模式的转变，院外急救医学借助于急救的社会化，其内涵日益丰富，外延更加扩展。一些发达国家的院外急救医学水平的明显提高，概括起来有以下几个特点：（１）专业急救机构已由城市、地区单一的医疗卫生... In order to promote the socialization of first aid out of hospital and strive for high quality and efficiency, Li Zonghao Due to the social progress and the change of medical model, the outpatient first aid medicine has expanded its connotation with the help of the socialization of first aid. In some developed countries, the level of out-of-hospital emergency medicine has been significantly improved, which can be summed up as follows: (1) Professional first aid agencies have been provided by cities and regions with a single medical and health care system.