PROBLEM TO BE SOLVED: To provide a manufacturing method of a sparkling drink containing decomposed products of cereal which can be kept in a low-temperature state for a long term, with excellent palatability and functionality being imparted.SOLUTION: The manufacturing method of a packed sparkling drink containing decomposed products of cereal includes a step of contacting frozen solids of foam prepared by cooling and agitating a sparkling drink containing decomposed products of cereal with a sparkling drink containing decomposed products of cereal in a container. The packed sparkling drink containing decomposed products of cereal includes a foam part formed of the sparkling drink containing decomposed products of cereal, a part containing frozen solids, and a sparkling drink part containing decomposed products. At least one of the foam part and the part containing frozen solids is disposed on the sparkling drink part containing decomposed products of cereal.
