Abstract: A method of manufacturing a content liquid containing bottle includes: a molding step of blow molding a preform into a bottle that includes a mouth portion, a shoulder portion expanding in a direction away from the mouth portion, a barrel portion, and a bottom portion; a cap attachment step of attaching a cap to the mouth portion of the bottle filled with a content liquid; and a label attachment step of placing a tubular shrink label over outside of the bottle, and thermally shrinking the shrink label to attach the shrink label to the bottle, wherein in the label attachment step, the shrink label is thermally shrunk in a state in which one end of the shrink label is located at a region of the shoulder portion in which an inner surface is in contact with the content liquid.