The use of digital library services within the network and the external aspects, analysis of university library network security risks faced by the hardware, software, security risk, technical risk, management risk and the risk of external attacks and other major security risk. Combination of network security technologies, were put forward their own coping strategies. Focus on analysis of hacker attacks and network viruses control methods, including the use of anti-virus protection software, the use of firewall technology, encryption and authentication technology, intrusion detection, VLAN technology, content inspection and monitoring technology, and virtual honey pot technologies. Library network systems only to achieve security of the nature of the equipment, Network technology, professional and management standardization, in order to effectively avoid the risk of a variety of network security and ensure the normal operation of network systems, research on prevention and control of universities Digital library network security risks with a reference and guide.