Abstract: Among the many disasters that affecting coal mine safety production,coal mine dust has the most serious impact on mine production and workers'health.Therefore,protecting the physical and mental health of employees and ensuring the safety of mine production is the top priority of coal mine dust prevention technology.Introduces the research status of coal mine dust generation,characteristics and hazards,and expounds the research status of coal mine dust prevention technology.The development and application of spray dust reduction technology are analyzed with magnetized water spray dust reduction and charged spray dust reduction as main contents.It provides reference for the treatment of coal mine dust.

Key words: Coal mine dust, Control technology, Spray dust, Magnetized water, Charged