随着经济的不断发展，城市人口的猛增和大量人工环境的建成，给人类的生存环境带来了环境污染、土地资源紧缺等一系列负面影响,空气、噪声的污染，空间拥塞，生态失衡等问题时刻困扰着人们。当一栋栋钢筋水泥的建筑挤满了我们周围的每一寸土地、当我们的世界成为岩石森林时，我们才真正感受到自己生活的环境中最缺少的原来是绿色。然而近几年来，随着我国城市中高层建筑的不断增加，平地绿化的面积越来越少，在地面绿化趋于饱和的情势下，进行立体绿化势在必行。

     With the continuous development of economy, the city of the population explosion and the completion of a lot of artificial environment, brought environmental pollution to human survival environment, shortage of land resources and a series of negative effects, air and noise pollution, space congestion, such problems as ecological imbalance moment affects people. When these reinforced concrete buildings filled with every inch of the land around us, when our world become the rock forest, we really feel their own living environment, the lack of the original is green. However in recent years, with the increasing of urban high-level building in our country, the ground green area is less and less, on the ground green tends to saturated situation, stereo virescence is imperative