Abstract: Disclosed is a film formation apparatus (1a) that forms a thin film upon a substrate (S), wherein partitions (41) separate the space above the substrate (S) into a plasma generation space (401) and an exhaust space (402) and extend downward from the ceiling of the processing container (10) to form an opening between the substrate (S) and the bottom end of the partitions, in which gas flows from the plasma generation space (401) to the exhaust space (402). An activating mechanism (42, 43) generates plasma by activating a first reactant gas that has been supplied to the plasma generation space (401). A second reactant gas supply section (411, 412) supplies a second reactant gas to the bottom of the plasma generation space (401), and an evacuation opening (23) evacuates the exhaust space (402) from a position that is higher than the bottom end of the partitions (41).