Faced with more and more civil unrest all over the world, Rapid Deployment Barrier could mitigate injury and damage to people, police and property. It is also called mobile security barrier, which is a new equipment designed for rapid protection, especially for the police, military and government. Its applications include crowd control and riot prevention, prisoner short term detention, site security, augmented fence perimeter security, and quick site security protection. The working principle is a trailer releasing concertina razor wire coils as barrier to protect those. Zhengyang Rapid Deployment Barrier is of military quality. It has the following features. At first, it is very rapid, the system is designed to provide rapid deployment-90 meters of barbed tape or razor wire coils which can be deployed in 20 seconds.