Ball mills, as core crushing equipment in the fields of mineral processing, building materials and chemical engineering, are experiencing technological breakthroughs in three major directions: efficiency, intelligence and greenness. Industry data from 2025 shows that the application of new high-chromium alloy steel balls and gradient quenching process has increased the grinding efficiency by over 25% and reduced energy consumption by 30%. The intelligent control system (integrating IoT and AI) can optimize the rotational speed and load in real time, reducing the risk of over-grinding. In terms of application, large-scale mine ball mills (with diameters over 8 meters) are suitable for the development needs of deep mines worldwide, while laboratory-grade planetary ball mills promote the research and development of nanomaterials. In the future, the combination of lightweight design of equipment and waste recycling technology will further contribute to the realization of the "carbon neutrality" goal.