Blade barbed wire is a steel wire rope with a small blade. It is usually used to prevent people or animals from crossing a certain boundary. It is a new type of protective net. This special sharp knife-shaped barbed wire is fastened with double wires and becomes a snake belly. The shape is both beautiful and terrifying, and plays a very good deterrent effect. It is currently used in industrial and mining enterprises, garden apartments, border posts, military fields, prisons, detention centers, government buildings and security facilities in other countries in many countries.