PROBLEM TO BE SOLVED: To provide a thermoplastic resin hollow plate excellent in productivity during manufacturing a thermoplastic resin uneven sheet for forming a hollow protrusion, having an excellent mechanical physical property and used as a plastic cardboard and the like.SOLUTION: There is provided a thermoplastic resin hollow plate having a plurality of isolated cell rooms 5a by laminating and adhering a thermoplastic resin uneven sheet 3 which a plurality of hollow protrusions 5 is formed on a top face of a thermoplastic resin lower sheet 2 with an aperture of the hollow protrusions 5 facing to a side of the lower sheet 2 and having a basis weight of 50 to 1000 g/m, the uneven sheet 3 is a multilayer sheet including a thermoplastic resin inorganic filler layer 3a and thermoplastic resin layer 3b, the inorganic filler layer 3a contains an inorganic filler of 5 to 25 wt.%, and the resin layer 3b forms a laminate adhesive face 4 by adhering with the lower sheet 2 and the inorganic filler layer 3a is locat
