Ceiling type vehicle-mounted display

The utility model is suitable for the technical field of vehicle-mounted equipment, and provides a ceiling type vehicle-mounted displayer which comprises a displayer body, two supporting columns are arranged above the displayer body, rotating holes and first positioning holes are formed in the two supporting columns, the supporting columns are rotationally connected with a connecting plate through first rotating shafts, and the connecting plate is provided with second positioning holes. A supporting plate is arranged on the connecting plate, a suction cup is arranged above the supporting plate, an air extracting pump is arranged below the supporting plate, an air hole and a circuit breaker are arranged in the suction cup, the circuit breaker is electrically connected with the air extracting pump, and a second positioning hole is formed in the connecting plate. The second positioning hole is connected with the first positioning hole through a first positioning pin, the air hole is communicated with the air ext