Abstract: In order to meet the business requirements of safe and efficient emergency disposal under the network operation conditions of urban rail transit, a multisectoral synergy is introduced to reorganize and optimize the organizational structure of rail transit. emergency disposal. With Shenzhen metro as the background, a four-layer and ten-level multisectoral synergy system for emergency disposal is constructed, the optimized organizational model of emergency disposal is described based on unified modeling language (UML). This structure of emergency disposal helps to realize multipoint linkage and collaborative disposal of relevant departments in the emergency commanding process, enhances the emergency response ability, response speed and disposal efficiency of operational management departments, so as to save the disposal time and improve the overall disposal efficiency.