Large-specification parquet board for ground

The utility model relates to the technical field of building decoration materials, and discloses a large-specification parquet board for the ground, which comprises a support plate with a mounting groove at the top and a supporting plate with the top fixedly connected with an adhesive tape, and a fixable fixing rod is arranged on one side of the top of the support plate in a threaded penetrating manner. The end, penetrating out of the supporting plate, of the fixing rod is in threaded connection with a slidable supporting block, the inner bottom wall of the mounting groove is fixedly connected with a supporting column capable of being supported, and a decoration plate capable of being decorated is fixedly pasted to the top of the adhesive tape. According to the large-specification parquet plate for the ground, through cooperative arrangement of the fixing rods and the supporting blocks, when two parquet plates are spliced, the two adjacent parquet plates can be adjusted to be in a flat state by rotating the f