摘要： 空中空间利用制度是城市规划法上的重要制度。空中权是利用地表之上一定空间的权利。它被很多国家的法律所规范，并为空中空间利用提供基础性支撑。随着社会的发展，空中权与城市规划法结合在一起。从现有实例来看，空中空间利用主要有人工地基型、容积率转移型和容积率奖励型三大形态。它们在城市规划法、建筑标准法、文物保护法等法律和判例中逐步得到制度化。建构容积率特例制度、规定一定的条件和限制、设置特别许可制度等，是从城市规划法角度建构空中空间利用制度的主要内容。

关键词: 空中空间利用, 城市规划法, 空中权, 容积率特例

Abstract: System on Air Space Utilization is an important part of urban planning law. Air right, the right to utilizea certain space above the earth's space，is legislated in many countries and provides basic foundation for utilizing air space. With the social development，air right is merged in urban planning law. From the currentpractices，there are mainly three forms of air space utilization，i. e. artificial foundation，transfer of floorarea ratio and FAR awards. They are gradually instituted through precedents and laws such as urban planninglaw, building standard law and Cultural Relics conservation law. The main content of system on air space utilization from the perspective of urban space law includes establishing exceptional system on floor area ratio，imposing a certain conditions and limitations and setting forth system on special permit.

Key words: Air Space Utilization, Urban Planning Law, Air Right, Exceptional System on Floor Area Ratio