Mobile anti-collision metal pillar is a security control device that combines high safety and flexible mobility. It is designed for temporary or dynamic control scenarios, effectively blocking illegal vehicle intrusion, and can be quickly deployed or removed according to needs, perfectly balancing protection and traffic efficiency. Suitable for scenarios that require dynamic adjustment of protection range, such as temporary traffic control, large-scale event security, park temporary control, construction site entrances and exits, and temporary isolation of commercial squares. It can effectively prevent vehicle collision risks and quickly restore traffic when needed, balancing safety and efficiency.