The invention discloses a plate type tray and a using method of the plate type tray. The tray is provided with a bearing plate capable of bearing cargos, the top face of the bearing plate is the bearing face for cargos, the bottom face of the bearing plate is the forking face for forklift operation, the bearing face of the bearing plate is of a plane structure, and the forking face of the bearing plate is provided with a locking structure, wherein the locking structure can be matched with fork teeth of a forklift and achieves combined locking for the bearing plate in the forward push-out direction of the forklift. The plate type tray has the advantages of being simple in structure, convenient to mold, low in molding cost, compact in structure, high in stability, efficient in operation, good in flexibility, low in using cost, high in bearing quality, high in reliability, high in practicability and the like.