At present, the mainstream aluminum ring-pull can package on the market has many advantages. This packaging is the best recycling way, and its recycling is beneficial to environmental protection; it has high gas barrier and oxygen barrier to better protect the content liquid and extend the shelf life; its gas filling inside is resistant to high temperature and high pressure, which is easy to transport and effectively prevent the paneling rate of cans; its inert metal materials may avoid the damping and rust of the freezer and prolong the shelf life; it is easy to heat up and cool down, and can convey the delicacy of drinks.