Abstract: Aiming at the problem that it was difficult to fully control the network security situation in the ticketing and reservation system of the railway administration group co. ltd. (abbreviation: railway administration ticket system), this paper studied the key technologies of network security situation awareness of the railway administration ticket system from the perspectives of data collection and preprocessing, situation assessment and prediction, and situation awareness visualization, and put forward a network security situation awareness visualization method suitable for the security protection scenario of the railway administration ticket system in China. It can provide a reference for the safety protection of the railway administration passenger ticket system.