中文摘要：

利用城市雨水是缓解城市用水紧张以及改善城市水环境的有效途径之一。绿地系统对雨水径流有渗透、蓄积、利用及削减污染的四重效用。在总结分析国家现行绿化规范的基础上，初步探讨城市绿地建设工作中可以与雨径流调蓄相结合的途径，并通过计算分析下凹式绿地和景观水体调蓄径流的可行性，为今后制定或完善绿地建设相关规范等提供一定的参考依据。

英文摘要：

The utilization of urban rainwater resources is one of the effective approaches to alleviate water shortage and improve urban water environment. Green space system plays a significant role in rainwater utilization. Through analysing the actual regulations and criteria relating to greening the paper discussed the approaches of combining rainwater utilization and green space construction, and analyzed the feasibility of using hollow grassland and water body to store rainfall. Based on the analysis, some suggestions were provided for formulating and perfecting relevant regulations and laws of greening.