低空经济作为新质生产力的重要形态，正由试点示范阶段加速迈向规模化、智能化和融合化发展。本文在系统梳理低空经济发展趋势和面临挑战的基础上，首先，从飞行管控、业务管理、运行安全、设施建设和产业生态五个维度深入分析制约低空规模化应用的关键问题。然后，以深圳市低空经济发展为典型案例，系统总结其在政策标准体系化、空域空间数字化、基础设施智能化、管服一体自主化以及跨行业融合应用等方面的创新实践与实施成效；进而提出以政策规划为引领，以空间资源、基础设施和安全管控为支撑，以跨域融合为价值实现路径的“一梁三柱一融”低空经济发展框架。最后，从设施集约建设、陆空一体场景示范、安全监管协同和技术-产业-标准循环生态构建等方面提出低空经济可持续发展的对策建议，可为我国城市成体系推进低空经济规模化应用、支撑智能综合立体交通网建设提供参考。

As an important form of new quality productive forces, the low-altitude economy is accelerating its transition from pilot demonstration stage to large-scale, intelligent, and integrated development. Based on a systematic review of the development trends and challenges faced by the low-altitude economy, this paper conducts an in-depth analysis of key issues constraining its scaled application from five dimensions: flight control, business management, operational safety, infrastructure development, and industrial ecology. Taking Shenzhen′s low-altitude economy development as a typical case, the paper systematically summarizes its innovative practice and implementation outcomes in areas such as systematization of policies and standards, digitalization of airspace, intelligentization of infrastructure, autonomous integration of management and services, and cross-sector integrated applications. Furthermore, the paper proposes a "one beam, three pillars, one integration" development framework for the low-altitude economy, guided by policy planning, supported by spatial resources, infrastructure, and safety governance, and with cross-domain integration as the value realization path. Finally, recommendations for the sustainable development of the low-altitude economy are put forward, covering intensive infrastructure development, integrated air-ground scenario demonstrations, collaborative safety regulation, and the construction of a technology-industry-standards circular ecosystem. This study provides a reference for China′s cities to systematically promote the large-scale application of the low-altitude economy and support the development of an intelligent comprehensive transport network.