Magnesium powder is easy to burn and explode. When burning it sends out the dazzling and white light, for this reason magnesium powder is used in military industry and aviation industry. The active nature of the magnesium is used in metallurgy industry and the steel industry and in the metal alloy industry, It is commonly used to take off oxygen and as decontamination and reducing agent in rare metal produce. In chemistry industry, It can be used as dehydrating agent directly with the magnesium powder system taking magnesium of the organic compound. Especially in the last few years, magnesium powder in spray drew, antisepsis profession the use is more and more big, in the aspects of single brilliant silicon, many brilliant silicon and metallurgy powders die-casting the dosage is too very big.