There is provided a laminating apparatus laminating an object to be laminated in a laminating part which has a diaphragm on an upper side and a heater panel on a lower side, by melting a filler in the object to be laminated and pressing the object to be laminated sandwiched between the diaphragm and the heater panel, the apparatus including: a sheet conveying the object to be laminated placed thereon to/out of the laminating part; and a lift mechanism lifting up/down a support part capable of supporting the sheet from the lower side.