航空运输、商业航天、低空经济等空港产业高质量发展离不开财税政策的支持。本文介绍了财税政策支持粤港澳大湾区空港产业高质量发展的背景，分析粤港澳大湾区空港产业高质量发展存在的问题，总结归纳国内外财税政策支持空港产业发展的经验，提出多渠道筹措财政资金、实施差异化财税政策、合理安排使用专项基金、逐步完善绿色税收体系等政策建议。
The high-quality development of air transportation，commercial spaceflight，low-altitude economy and other airport industries cannot be separated from the support of fiscal policies. The thesis introduces the background of fiscal policy support for the high-quality development of airport industry in Guangdong-Hong Kong-Macao Greater Bay Area，analyzes the problems in the high-quality development of airport industry in Guangdong-Hong Kong-Macao Greater Bay Area，summarizes the domestic and international experience of fiscal policy support for the development of airport industry，and puts forward the policy suggestions of multi-channel financing，implementation of differentiation of fiscal policy，rational arrangement of the use of special funds，and gradual perfection of the green tax system.
