Assembled floor unit

The invention relates to an assembled floor unit. The bottom plate of the assembled floor unit is rectangular and comprises a frame and a middle part; the frame is provided with a clamping hook and a clamping groove, the clamping hook is suitable for cooperating with the clamping groove to enable multiple blocks of bottom plates to connect and combine; the frame and the middle part are integrally formed; a plurality of through holes penetrating the thickness direction of the bottom plate are array-distributed in the middle part. The bottom plate has the advantages of material saving, easy manufacture, light weight, and the like. The assembled floor unit with the bottom plate can eliminate the process of embedding a filling layer into the bottom plate, and the light weight but high strength is beneficial to the transportation and export sales of the product.