Based on complex network theory, this paper constructs a multilayer network model containing online and offline interactions for simulating the dissemination process of juvenile criminal behavior. The SEIR model is introduced to deeply explore the topology of the multilayer network and the coupling relationship between the nodes, and the event propagation mechanism on the multilayer network is designed to establish the information propagation control model of juvenile delinquent behavior, and quantitatively analyze the influencing factors of the positive and negative propagation. The results show that the model in this paper is very effective in identifying key nodes in suppressing information dissemination. The simulation results of the dissemination of juvenile criminal behavior under the multilayer network model of online-offline interaction are highly consistent with the distribution trend of real data. In addition, the model in this paper can accurately simulate the dissemination trend of juvenile criminal behavior events in the case; in the process of dissemination of the events, it can be used to guide the government and the media to speak out on multiple social platforms at the same time and strengthen the joint control and prevention, thus effectively controlling and preventing the dissemination of juvenile criminal behavior events.
