NOVELTY - A filler sheet has adhesive bond layer on both surfaces of an intermediate layer. The intermediate layer comprises low-density polyethylene resin having melting point of 90-130 degrees C and melt mass flow rate of 0.5-20 g/10 minutes, or linear low-density polyethylene resin having melting point of 90-130 degrees C and melt mass flow rate of 0.5-20 g/10 minutes. The adhesive bond layer comprises at least one thermoplastic resin chosen from acid-modified polyolefin, silane-modified polyolefin, ionomer and ethylene-(meth)acrylic acid copolymer.    USE - Filler sheet is used for solar cell sealing sheet for manufacturing solar cell module (all claimed).    ADVANTAGE - The filler sheet has excellent durability, heat resistance and adhesiveness with respect to solar cell element. The solar cell module is efficiently manufactured using the filler sheet by vacuum laminating method and roll-to-roll method.    DETAILED DESCRIPTION - A filler sheet has adhesive bond layer on both surfaces of an intermediate layer. The intermediate layer comprises low-density polyethylene resin having melting point of 90-130 degrees C and melt mass flow rate of 0.5-20 g/10 minutes, or linear low-density polyethylene resin having melting point of 90-130 degrees C and melt mass flow rate of 0.5-20 g/10 minutes. The adhesive bond layer comprises at least one thermoplastic resin chosen from acid-modified polyolefin, silane-modified polyolefin, ionomer and ethylene-(meth)acrylic acid copolymer. The thickness ratio of the adhesive layer and the intermediate layer is 20/80-70/30. INDEPENDENT CLAIMS are included for the following:    (1) solar cell sealing sheet, which is obtained by laminating filler sheet on a transparent protective material; and    (2) manufacture of solar cell module, which involves laminating filler sheet of transparent protective material, solar cell element and filler sheet on back surface protective material, heating obtained laminate under reduced pressure, applying pushing pressure force along thickness direction in which the solar cell element is bonded the filler sheet.