Attention shall be paid to the following points when using sodium nitrate: sodium nitrate shall be stored in a dry, ventilated and cool warehouse, and shall not be stacked in the open air. The storage temperature shall not exceed 30 ℃, and direct sunlight shall be avoided. It should be stored in a special warehouse. It is strictly prohibited to store and transport with acids, alkalis, inflammables and explosives, oxidants, reducers and other organic substances. Insulate from heat and fire. To keep it clean, the powder scattered on the ground should be cleaned immediately with a broom. Sodium nitrate is easy to absorb moisture, and the storage period should not exceed six months.