一个优美、清洁、文明的现代化城市，离不开绿化。运用城市绿化手段，借助绿色植物向城市输入自然因素，净化空气、涵养水源、防治污染，调节城市小气候，对于改善城市生态环境，美化生活环境，增进居民身心健康，具有十分重要的意义。城市绿化的水平和质量，已成为评价城市的环境质量、风貌特点、发达程度和文明水平的重要标志。园林苗圃是园林绿化苗木的生产基地，可为城市绿地建设提供大量的园林绿化苗木，是城市园林绿化建设事业的重要保障。

A beautiful, clean, civilized modern city, cannot leave the greening. By means of urban greening, with the aid of green plants to the city input of natural factors, purify air, water conservation, pollution control, urban microclimate regulation, to improve the urban ecological environment, beautify the living environment, improve residents' physical and mental health, has the very vital significance. The level and quality of urban greening have become an important symbol of the city's environmental quality, character, sophistication and level of civilization. Garden nursery is landscaping seedling production base, can provide a lot of for construction of urban green space landscape nursery stock, is the important guarantee of urban landscape construction.