近年来,随着城市建设规模的不断扩大,建设生态城市,构建和谐社会成为投资者关注的问题,在强调地面绿化的同时,投资小,占地少,栽培容易,见效快的垂直绿化、屋顶绿化形势也越来越受重视,成为一种重要的绿化形式,在人口密度大的城市,将地面绿化、垂直绿化、屋顶绿化构成一个整体,改善城 In recent years, with the continuous expansion of the scale of urban construction, the construction of an eco-city and the construction of a harmonious society have become the concerns of investors. While emphasizing the greening of the ground, the investment in the small, small area, easy cultivation and quick vertical greening, The situation of greening has also been paid more and more attention. It has become an important form of greening. In a densely populated city, the greening of the ground, the verticalization of greening and the greening of the roof form a whole,