The invention relates to a molding device, in particular to a molding device for mosaic tile manufacturing. The molding device for mosaic tile manufacturing is high in manufacturing and molding efficiency. In order to achieve the above technical aim, the molding device for mosaic tile manufacturing comprises a base, a heating plate, a first elastic piece, a heat homogenizing plate, a hot water box, a pulley, a pressing plate, a heat conductive plate, a die, a pull rope, a second elastic piece, a connecting rod, a rack, a small belt wheel, a winding wheel, a large belt wheel, a bearing pedestal, a first fulcrum bar, a rotating shaft, a flat belt, a gear, a sliding block, a sliding rail, a jacking plate, an air cylinder and a second fulcrum bar; and the hot water box is placed in the base. The molding device has the beneficial effects that the manufacturing and molding efficiency can be improved, operation is simple, the service life of the device is long, certain resources can be saved, industrial automation is conveniently achieved, and early reaching of industry 4.0 in China is facilitated.