Fireproof door convenient to open quickly

The utility model relates to the technical field of fireproof doors, and discloses a fireproof door convenient to open quickly, which comprises a door frame, the left side of the front end of the door frame is rotatably connected with a first fireproof door through hinges, and the right side of the front end of the door frame is rotatably connected with a second fireproof door through hinges. The front end and the rear end of the second fireproof door are fixedly connected with first bosses correspondingly, and grooves are formed in the opposite faces of the first bosses correspondingly. According to the fireproof door convenient to quickly open, when a first transmission block is pulled upwards, a first limiting column is driven to move upwards, so that the first limiting column is separated from a first limiting hole, a limiting block is separated from fixation, and a second stroke rod is pulled upwards to drive a second limiting plate to move upwards; the first limiting rod is separated from the interior o