Beer can

The utility model belongs to the technical field of the instrument is preserved to beer and a beer can is disclosed, which comprises a tank body, jar body top is equipped with the top cap, jar body bottom one side is equipped with out the wine valve, the jar body is the thin tube structure in middle thick both ends, the jar body is including wooden shell and inner bag, the inner bag outer wall is equipped with the buffer layer, the buffer layer outer wall is equipped with thermal -insulated heat preservation, thermal -insulated outer wall of insulation layer sets up with the inside laminating of wooden shell. The utility model discloses a set up thermal -insulated heat preservation, the temperature circulation of effectual isolated open air and inner bag, it can preserve by low temperature to guarantee beer, through adopting the material of pottery as the inner bag, can guarantee the original flavor of beer, cooperate the setting of buffer layer simultaneously, make it be difficult for breaking, compare in st