Abstract: Driven by the new-era green energy revolution and the strategic goals of carbon peak and carbon neutrality, the distribution network, as a critical link connecting energy production and consumption, is confronting new challenges. These include high penetration of distributed renewable energy, rapid growth of diversified loads, and widespread integration of energy storage devices. This paper analyzes existing problems in current distribution networks concerning safety and reliability, clean energy accommodation, and economic operation. It proposes three key development missions: continuously ensuring power supply security, supporting clean and low-carbon development, and providing high-quality and cost-effective electricity. Furthermore, the paper systematically elaborates on the development path and key technologies for new-type distribution system from six perspectives: improving top-level planning, adapting to renewable energy integration, enhancing grid intelligence, mobilizing flexible resources, exploring energy storage deployment, and constructing an interactive system.