ns, IoT communication, and big data platforms. The review begins by analyzing the global background and driving factors for digital transformation in the edible oil industry. It then focuses on the current state of research in online detection and smart sensing technologies, followed by a review of AI applications in process parameter optimization, equipment predictive maintenance, and quality prediction. Based on this, the development trends of IoT communication networks and identification and resolution technologies are examined. Finally, the role of big data platforms in traceability and de