Because unsealed cans are easy to deteriorate and breed bacteria after contact with external air and other substances, they are harmful to human body after eating. Therefore, it should be eaten as soon as possible after opening, which can last for 1-3 days.

Canned drinks can be canned drinks, including canned soda, coffee, fruit juice, frozen milk tea, beer and so on. Can also be canned food, including lunch meat. The canned food can reach commercial aseptic state before opening, and can be stored at room temperature for a long time without deterioration. Once opened, it is recommended to store it in cold storage.