To meet the learning needs of high-speed railway operation and maintenance personnel regarding the principles and operations of the Radio Block Center(RBC),and to enhance the technical proficiency and fault emergency response capabilities of frontline electrical maintenance staff,this paper employed computer simulation technology and UML(Unified Modeling Language)modeling methods to design a simulation training system for the high-speed railway RBC.This system is designed according to industry standards and features specialized training content that covers detailed equipment principles and various fault types.It boasts comprehensive functions and stable operation,fulfilling the daily training requirements of professionals such as high-speed railway signal workers.Additionally,it can improve the professional skills and emergency response capabilities of the relevant personnel.