The Expert-Assisted Crop Diagnostics Platform (hereinafter referred to as "the System") integrates Internet of Things (IoT), image transmission, and information consolidation technologies to provide farmers with real-time crop diagnostics and pesticide application recommendations.By collecting high-resolution imagery and clinical case data of crop conditions, the System supports expert diagnostics and decision-making workflows. Based on the diagnostic outcomes, it delivers precise recommendations on appropriate treatments, dosages, and application methods, enabling farmers to rapidly assess crop health, optimize crop protection efficiency, and elevate the overall quality of agricultural management.