With the constant changes in society and improve the quality of people's living standards, the vehicle gradually increases, the continuous development of high-rise buildings and all types of plants, environmental issues and the image of the city people's safety is the most important issue, this facility will guardrail become a security measure, many parts are inseparable from his presence. On a busy road and more vehicles coming and going of people, traffic jams. This is the city of morbid, but after the road on both sides and intermediate guardrail installation, everything becomes organized, frequent traffic accidents rate will be reduced to a minimum. After all kinds of buildings fitted with it, but also to increase security, to increase its own security a guarantee. Today's society more regional emphasis on environmental issues, all kinds of flowers and trees in the lush roadside guardrail can play on the flowers of protection measures to prevent people's free to stampede and carve graffiti, protecting the plants and trees from a certain degree of while protecting the natural environment. Nature has also brought to a guarantee. It is because of special-purpose fence, only sought after by people. It can be seen everywhere in the future of urban development in many highway vehicles, many of the crowd downtown residential buildings, flowers and trees many environmental protection area will see its shadow, and people's lives, the city because of its presence better.