An apparatus (100; 200) for manufacturing a pouch, the apparatus comprising: a lower die provided with a forming groove for forming a cup part in a pouch film; an upper die disposed to be spaced upward from the lower die; and a punch (130; 230) supported by the upper die and configured to move toward the forming groove so as to press the pouch film to be disposed on the lower die, wherein the punch (130; 230) comprises: an upper punch (131; 231) vertically movably connected to the upper die; a lower punch (136; 236) disposed to be spaced downward from the upper punch (131; 231) and configured to move together with the upper punch (131; 231) to press the pouch film; an elastic part (140; 240) disposed between the upper punch (131; 231) and the lower punch (136; 236) to elastically support the lower punch (136; 236); characterized in that the elastic part (140; 240) comprises: a connection bar (141; 241; 241') fixed to any one of the upper punch (131; 231) and the lower punch (136; 236) and connected to the other one of the upper punch (131; 231) and the lower punch (136; 236) so as to be movable in a vertical direction with respect to the other one; and an elastic member (146; 246o; 246i) provided to surround the connection bar (141; 241; 241') between the upper punch (131; 231) and the lower punch (136; 236). a lower die provided with a forming groove for forming a cup part in a pouch film; an upper die disposed to be spaced upward from the lower die; and a punch (130; 230) supported by the upper die and configured to move toward the forming groove so as to press the pouch film to be disposed on the lower die, wherein the punch (130; 230) comprises: an upper punch (131; 231) vertically movably connected to the upper die; a lower punch (136; 236) disposed to be spaced downward from the upper punch (131; 231) and configured to move together with the upper punch (131; 231) to press the pouch film; an elastic part (140; 240) disposed between the upper punch (131; 231) and the lower punch (136; 236) to elastically support the lower punch (136; 236); characterized in that the elastic part (140; 240) comprises: a connection bar (141; 241; 241') fixed to any one of the upper punch (131; 231) and the lower punch (136; 236) and connected to the other one of the upper punch (131; 231) and the lower punch (136; 236) so as to be movable in a vertical direction with respect to the other one; and an elastic member (146; 246o; 246i) provided to surround the connection bar (141; 241; 241') between the upper punch (131; 231) and the lower punch (136; 236). an upper punch (131; 231) vertically movably connected to the upper die; a lower punch (136; 236) disposed to be spaced downward from the upper punch (131; 231) and configured to move together with the upper punch (131; 231) to press the pouch film; an elastic part (140; 240) disposed between the upper punch (131; 231) and the lower punch (136; 236) to elastically support the lower punch (136; 236); characterized in that the elastic part (140; 240) comprises: a connection bar (141; 241; 241') fixed to any one of the upper punch (131; 231) and the lower punch (136; 236) and connected to the other one of the upper punch (131; 231) and the lower punch (136; 236) so as to be movable in a vertical direction with respect to the other one; and an elastic member (146; 246o; 246i) provided to surround the connection bar (141; 241; 241') between the upper punch (131; 231) and the lower punch (136; 236). a connection bar (141; 241; 241') fixed to any one of the upper punch (131; 231) and the lower punch (136; 236) and connected to the other one of the upper punch (131; 231) and the lower punch (136; 236) so as to be movable in a vertical direction with respect to the other one; and an elastic member (146; 246o; 246i) provided to surround the connection bar (141; 241; 241') between the upper punch (131; 231) and the lower punch (136; 236).