The utility model relates to a small storing and revolving barrel for fresh beer, which is composed of a barrel body and a blocking plug. The barrel body is provided with an upper and a lower half barrel bodies, and the top center of the upper half barrel body is provided with a blocking plug hole. The blocking plug is composed of a sealing seat, a sealing ring, a plug button and an anti-counterfeiting cap. The sealing seat is provided with a central through hole with an expansion hole, and the periphery of the sealing seat is provided with annular clamping grooves. The bottom periphery of the plug button is provided with shoulders, the sealing seat is welded and connected with the blocking plug hole on the top of the upper half barrel body, the sealing ring is arranged in the sealing seat, and an upper shoulder of the sealing ring is positioned in the expansion hole of the sealing seat. The plug button is arranged in the central through hole of the sealing ring, and an upper shoulder of the plug button is clamped at the bottom of the sealing ring. The anti-counterfeiting cap is sheathed on the tops of the sealing seat, the sealing ring and the plug button, and the opening end of the anti-counterfeiting cap is clamped on the annular clamping grooves on the periphery of the sealing seat.