Abstract: Baixiangshan Iron Mine has taken dust suppression measures such as wet operation，mine ventilation，water spraying and dust collection with wet dust catcher in the process of underground mining and production. In order to evaluate the dust suppression effect，it has jointly investigated and analyzed with Sinosteel Maanshan General Institute of Mining Research Co.，Ltd.，pointed out the existing prob⁃ lems，and finally proposed targeted improvement measures.

Key words: mine-used wet dust catcher, efficiency of dust collection, ventilation system, wet operation for dust prevention, facilities for dust removal