A vacuum forming machine (M) for forming an adherend (4) by tightly adhering a decorative film (5) on the surface thereof in a sealed forming space formed from a lower box (1) that opens upward and an upper box (6) that opens downward. An accommodating section (3) for loading and accommodating the adherend (4) is set in the lower box (1). A jig (8b) for holding down the floating section(s) of the decorative film (5) is set on the lower edge (9b) of the upper box (6).
