Signboard for hanging plate

The utility model discloses a signboard for a hanging plate, which comprises a male plate and a female plate which are mutually inserted, and the female plate is made of transparent materials. Transverse T-shaped legs are fixed to the sides, away from each other, of the male plate and the female plate, and the inner ends of the two transverse T-shaped legs are sliding strips, wherein the thickness of each sliding strip is smaller than the width of an opening of the corresponding transverse T-shaped sliding groove of the hanging plate, and the sliding strips transversely enter the corresponding transverse T-shaped sliding groove of the hanging plate and then rotate by 90 degrees to be matched in the transverse T-shaped sliding groove of the hanging plate; the upper sliding blocks of the two sliding strips are arranged in top sliding cavities of the transverse T-shaped sliding grooves of the hanging plate in a sliding fit or positioning fit mode. The lower sliding blocks of the two sliding strips are in sliding