Hanging type high-altitude ceiling grating system

The utility model discloses a hitching type high-altitude ceiling grid system, which comprises an adapter piece, a grid unit and a hitching assembly, the hitching assembly is detachably sleeved on a steel keel of a building, the adapter piece is connected with the grid unit and can be adjusted along the length direction of the grid unit, and the grid unit is connected with the hitching assembly through the adapter piece. The hanging assembly is arranged on the steel keel in a sleeved mode, the hanging assembly can be adjusted in the length direction of the steel keel, and then it is guaranteed that the inlet and outlet directions of the grating units are parallel; adjusting holes are formed in the vertical side arms of the adapting pieces in the vertical direction, the vertical positions of the grating units can be adjusted through the adjusting holes formed in the adapting pieces, and it is guaranteed that the grating units are parallel in the height direction. The hanging assembly is sleeved on the steel ke