As an intermediate buffer and storage equipment in the logistics chain of continuous production process,the loading,storage and unloading processes of silos are essential to ensure the normal operation of the production process.The various problems that are likely to occur in the process of mate-rial flow in the silo are summarized,the causes and mechanisms of these problems are analyzed,and key considerations of silo optimization design for these problems are proposed,so as to provide guarantee for the continuous and reliable operation of the silo.