Abstract: The present invention relates to a method for manufacturing a glass sheet composite including two or more sheets and an intermediate layer between at least a pair of sheets of the sheets, the pair of the sheets consisting of a sheet 1A and a sheet 1B, at least one of the sheet 1A and the sheet 1B being a glass sheet, and the method including: applying a liquid agent for the intermediate layer and a sealant to at least a part of a main surface of the sheet 1A; bonding the sheet 1B to the main surface of the sheet 1A to which the liquid agent for the intermediate layer and the sealant are applied to obtain a laminate; and subjecting the laminate to reduced pressure.