0引言随着社会经济的不断发展和信息化技术的不断进步,计算机网络在医院信息化建设中显得十分重要和必要,医院各类信息系统如HIS、PACS、病案管理、手麻管理、体检系统等都离不开计算机网络。计算机网络将所有信息系统连接起来,实现医院内部医疗和电子病历数据的数字化采集、传输、存储及处理,这大大减少了医院人工消耗,使医院各项业务处理集中统一方便快捷。但高度数字化的同时也会带来较高的网络风险,计算机病毒、 0 Introduction With the continuous development of social economy and the continuous improvement of information technology, computer network in the hospital information construction is very important and necessary, the hospital information systems such as HIS, PACS, medical record management, hand numbness management, physical examination system Can not be separated from the computer network. The computer network connects all the information systems and digitally collects, transports, stores and processes the medical and electronic medical record data inside the hospital, which greatly reduces the manual consumption of the hospital and makes the centralized and unified treatment of various business operations in the hospital convenient and quick. However, the high degree of digitization will also bring about high network risks, computer viruses,