A safety helmet cleaning machine comprises a machine platform, wherein the machine base is provided with a control box, and a sterilization chamber for placing a safety helmet is connected at the top of the control box, and is opened and closed by a door body, wherein the sterilization chamber The top is provided with a plurality of spraying devices, so that after a safety cap is placed upside down into the sterilization chamber, the control box can activate the spraying device to spray the sterilization agent on the safety helmet.一種安全帽潔菌機,包括一機台,該機台係設有一控制箱,該控制箱頂部連接設有一供放置安全帽之滅菌室,並藉由一門體來啟閉,其中,該滅菌室頂部裝設有複數個噴灑裝置,藉以使一安全帽倒放置入該滅菌室後,該控制箱可啟動該噴灑裝置而噴灑滅菌藥劑於該安全帽上。