The invention discloses a safety steel fireproof roller shutter, and belongs to the technical field of a fireproof roller shutter. The safety steel fireproof roller shutter includes a shutter piece, an automatic winding device, a base and a guiding rail; the top of the shutter piece is arranged in the automatic winding device in a winding mode, the bottom of the shutter piece is connected with thebase, the automatic winding device includes a reel, a door rolling motor and a travel switch, the reel is connected with the door rolling motor, the door rolling motor is connected with the travel switch, the shutter piece is installed in the guiding rail by a transmission chain in a sliding mode, and the transmission chain is correspondingly connected with the door rolling motor and the reel; the travel switch is connected with the automatic winding device; and the safety steel fireproof roller shutter further includes a cooling device, the cooling device is fixed on one side of the shutterpiece and includes a rotary water sprayer which is internally provided with a rotary body, and the rotary water sprayer in installed at the tail end of a water transportation pipe. According to the safety steel fireproof roller shutter, the structure is simple, using is convenient, practicability is high, and the safety steel fireproof roller shutter is suitable for promotion and using.