The train bogie is like the legs of a person and is one of the important components of rail transit vehicles.Its performance status directly affects the safety of passengers'lives and property.How to utilize advanced scientific technology to achieve automation and intelligent detection of train bogie faults has become a research hotspot in the industry.After collecting,organizing,and analyzing relevant literature on bogies,this article provides a detailed description of common faults in train bogies,categorizes and introduces methods for detecting faults in train bogies,and compares and summarizes them in a list.Based on the current development status of science and technology,this article also analyzes the future development trend,providing useful reference for the research on fault detection of rail transit train bogies.