Smart Eco-City Planning is an innovative approach that integrates digital technologies (such as IoT, big data, and AI) with sustainable urban development goals. It focuses on designing and optimizing urban systems—including energy, transportation, waste management, and environmental monitoring—to enhance resource efficiency, reduce ecological footprints, and improve residents' quality of life. Key services include data-driven policy design, green infrastructure development, and real-time environmental management solutions, helping cities achieve low-carbon, resilient, and intelligent governance.