The application provides a
cushion air bag (1000) capable of reliably allowing one-way air intake into the air bag (1000) and a manufacturing method thereof. The
cushion air bag (1000) comprises: a
cushion body (10) comprising a main body (1), a plurality of air bags (100) and a plurality of air channels (200) formed by bulging from the main body, two adjacent air bags being communicated via the
air channel, and a first embossed part (10C) formed on the main body; and a one-way air intake member (330) installed in an air intake air bag (121) in the plurality of air bags to allow the gas to enter the interior of the plurality of air bags via the air intake air bag in one direction, and the first embossed part is in contact with a part of the one-way air intake member in an overlapping manner. The cushion air bag of the application can reliably allow one-way air intake into the air bag.