Steel grain silos are the cornerstone of modern grain storage, offering durability, large capacity, and cost-effectiveness for farms, grain depots, and processing plants worldwide. A critical decision in grain silo construction is choosing between conical bottom and flat bottom steel plates—a choice that directly impacts operational efficiency, grain quality, maintenance needs, and long-term cost-effectiveness. Both designs have unique advantages and limitations, and the optimal selection depends on specific grain storage requirements, including capacity, discharge needs, site conditions, and budget. Below, we conduct a comprehensive comparison of conical bottom and flat bottom steel plate grain silos to help enterprises make informed decisions.