The invention discloses a fireproof rolling curtain with a self-triggering function. The fireproof rolling curtain comprises a fixing rod arranged on the side wall of a wall body, a fireproof curtainis wound on the side wall of the fixing rod, the lower end of the fireproof curtain is fixedly connected with a lifting plate, a lifting block is fixedly connected to the side wall of the lifting plate, and the lifting block has magnetism; a fixing groove and an auxiliary groove are formed in the side wall of the wall body, the lifting block is located in the fixing groove, a counterweight block is slidably connected in the auxiliary groove, and the counterweight block has magnetism; the lifting block is fixedly connected with the upper wall of the counterweight block through a connecting rope, a control cavity is formed in the wall body, and a first rotating shaft and a second rotating shaft are rotationally connected to the inner wall of the control cavity through a bearing; and a firstbevel gear is arranged at the tail end of the first rotating shaft, and a second bevel gear meshed with the first bevel gear is arranged at the tail end of the second rotating shaft. According to thefireproof rolling curtain, the fire field can be isolated in time, the fire behavior can be prevented from spreading to other areas and can be reduced, and the time can be saved for firefighters.