Used to make fireworks and flares. It can be used as a reducing agent to make flash powder and lead alloy, as a desulfurizer and purifying agent in metallurgy, and also as a dehydrating agent in organic synthesis or directly use magnesium powder to prepare magnesium organic compounds. Especially in recent years. Magnesium powder is used more and more in spraying and anti-corrosion industries, and it is also used in large amounts in monocrystalline silicon, polycrystalline silicon and metallurgical powder die-casting.