Seepage-proof and damp-proof open barrel

The utility model discloses an anti-seepage and damp-proof open barrel, relates to the technical field of packaging containers, and aims to solve the problem that the sealing effect of a seam between a barrel cover and the open barrel is poor. According to the technical scheme, an opening is formed in the top of the can body, the cover body is used for covering the opening of the can body, a limiting part for limiting the can body and the cover body to slide away from each other in the vertical direction is arranged between the can body and the cover body, and an annular supporting piece is fixedly connected to the position, close to the opening, of the inner wall of the can body. The barrel body is made of carbon steel, the surface of the barrel body is galvanized, it is guaranteed that a stable galvanized protection layer is formed on the surface of the barrel body through the galvanized treatment, and therefore the stability of the overall structure and the stability of the service life of the barrel body