Bolt fractures in automobile wheel hubs are a common issue during driving.This situation not only affects the safety of the vehicle but also has the potential to cause serious traffic accidents.This study conducted a detailed analysis of wheel hub bolt fractures,exploring the causes and mechanisms of fracture through experiments and theoretical discussions.The research indicates that the fracture of wheel hub bolts is influenced by various factors such as external loads,material quality,installation processes,and design parameters.Finally,a series of preventive measures and suggestions are proposed to address the issue of wheel hub bolt fractures,providing crucial reference points for enhancing the safety of vehicles during driving.