Urban landscaping has important functions in beautifying human beings environment ,shaping im‐age features of the city ,purifying the air ,reducing noise ,air pollution and preventing dust .How to grasp the correct direction of urban landscaping ,make full use of characteristics of plants ,effectively exert the compre‐hensive function of urban landscaping and continuously meet increasing requirements on life quality of the people have become the core focus of the urban landscaping .Combining with actual ecological construction of Lanzhou city ,the article puts forward several suitable suggestions for urban landscaping .%指出了城市绿化在美化人类生活环境，塑造城市特色形象，净化空气，降低噪音，减轻空气污染和防尘杀菌中具有重要的功能。结合兰州市生态建设实际，提出了城市绿化中适宜的几点建议，以期提供参考。
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