城市绿化是近年来城市可持续发展的重要内容,但在这一过程中,各城市往往片面追求完成数量指标,由此形成了一些误区。本文主要介绍了城市绿化中草坪和乔木的生态价值和经济价值的比较,说明了绿化过程中乔木的重要地位,同时指出了培植高大乔木的侧重点,以促进城市绿化的可持续发展。 Urban afforestation is an important part of urban sustainable development in recent years. However, in this process, cities often pursue the quantitative targets one-sidedly, resulting in some misunderstandings. This paper mainly introduces the comparison of ecological value and economic value of lawns and trees in urban greening, explains the important status of trees in the greening process, points out the emphasis of cultivating tall trees in order to promote the sustainable development of urban greening.