The purpose of emergency information exchange and sharing is to realise interconnect between applications in incident sites, emergency management centres, emergency command centres and public safety services and share information completely. 应急信息交互和共享的目标是实现事故现场、应急管理中心、应急指挥中心以及公共安全服务等机构之间应用系统的无缝联接,信息完全共享。