Fire investigation protective hat

The utility model discloses a fire investigation protective hat which comprises a hat body, one side of the hat body is fixedly connected with a hat brim, the bottoms of the two sides of the hat body are fixedly connected with protective parts respectively, a binding band fixedly connected with the hat body is arranged between the protective parts, and the binding band and the protective parts are mutually bonded through hook-and-loop fasteners. A mounting plate is fixedly connected to the side, close to the hat brim, of the hat body, a mounting assembly is arranged on the side, away from the hat body, of the mounting plate, the mounting assembly is fixedly connected with an adjusting knob, and the adjusting knob is rotationally connected with the mounting plate. Different auxiliary tools (such as a head lamp and GoPro) can be clamped and fixed through the mounting assembly, so that an investigator can conveniently use the auxiliary tools in different scenes, the two hands of the investigator are liberated, a