High-air-tightness tempered glass door for fire fighting truck

The utility model relates to the technical field of fire fighting, in particular to a high-airtightness tempered glass door for a fire fighting truck, which comprises a cabin body, three hinges, a cabin door, tempered glass and a trident lock, the cabin door is arranged on the cabin body through the three hinges, the three hinges are uniformly arranged on the cabin body, and the trident lock is arranged on the cabin door. The tempered glass is attached to the outer portion of the cabin door, the trident lock is arranged on the cabin door, a first notch matched with the outer structure of the rotating handle is formed in the side, close to the rotating handle, of the tempered glass, and second notches matched with the outer structures of the three hinges are formed in the side, close to the hinges, of the tempered glass. The first notch and the second notch are formed in the tempered glass, so that the cabin door and the cabin body can be evenly stressed and tightly pressed together to improve the air tightnes