The invention discloses an insertion type aluminium gusset plate suspended ceiling structure, including a main keel and an aluminium gusset plate body, one side of the main keel is provided with a step, and the upper surface of the main keel is provided with a first groove, second grooves are formed on two side walls inside the first groove, and a fixed block is arranged inside the first groove, the upper end of the fixed block is provided with a third groove, and the bottom of the fixed block is provided with a first through hole, a first spring is arranged inside the first through hole, bothends of the first spring are fixedly connected with a first plate, one end of the first plate is arranged inside the second groove, one side of the third groove is provided with a second through hole, and the third groove is internally provided with an upward screw rod, and the bottom of the screw rod is provided with a threaded hole. The insertion type aluminium gusset plate suspended ceiling structure provided by the invention is convenient for construction of the suspended ceiling, saves time and manpower, improves work efficiency, and is convenient for assembly and disassembly of the aluminium gusset plate.