Pepsi-Cola is a U.S. patented product and a world-famous cola-type beverage. It is composed of sugar, caramel color, gum arabic, citric acid, phosphoric acid, natural caffeine and natural flavors in a certain proportion and pressed into carbonic acid gas. Formulated. Authentic features: (1) Packaging: beautifully printed and complete with logos. (2) Bottle appearance: The polyester bottle has a smooth appearance and the cap is not cracked. (3) Pressure: The internal pressure is high and it feels hard when pressed by hand. (4) Foam: The foam produced after shaking is fine and difficult to disappear. (5) Phenomenon after pouring into the cup: fine bubbles slowly rise from the bottom. (6) Taste: Cola-type special aroma. Features of counterfeit products: (1) Packaging: Rough printing, factory date, shelf life, trademark and pattern are incomplete. (2) Appearance of bottles: Most of them are recycled bottles with cracks in the caps. (3) Pressure: The internal pressure is small and it feels soft when pressed by hand. (4) Foam: The foam produced after shaking is thick and disappears easily. (5) Phenomenon after pouring into the cup: the bubbles are large and the liquid rises quickly. (6) Taste: There are miscellaneous and peculiar smells.