An integrated alcoholic beverage fresh-keeping barrel system, comprising a housing and an inner container wrapped by the housing, wherein the inner container is divided into two layers, comprising a gas storage tank located at an upper layer for storing a gas and an alcoholic beverage barrel located at a lower layer for storing a liquid beverage; the gas storage tank and the alcoholic beverage barrel are coaxially arranged one above the other and connected together by soldering; a gas channel that can be opened and closed is provided between the gas storage tank and the alcoholic beverage barrel; the alcoholic beverage barrel is provided with a liquid outlet end and an outflow liquid channel for opening and closing the liquid outlet end; a control system is provided above the gas storage tank; the control system controls the opening and closing of the gas channel and performs linkage control on the opening and closing of the outflow liquid channel; wherein a top of the alcoholic beverage barrel is provided with an alcoholic beverage barrel opening; a gas storage tank opening is provided above the gas storage tank; a position relationship between the gas storage tank and the alcoholic beverage barrel is that a portion of an outer surface of an upper portion of the alcoholic beverage barrel forms a bottom surface of the gas storage tank; characterized in that the control system comprises a connecting post, a connecting tube, a wine spear seat, a dispenser, a wine spear, and a wine tube; the connecting post is disposed on the gas storage tank opening, the connecting post is provided with an inflating valve core for inflating the gas storage tank, a safety valve for automatically decompressing the gas storage tank and a relief valve for reducing the pressure of the gas output from the gas storage tank to a desired pressure; an outlet end of the relief valve is provided with a check valve A for triggering activation; one end of the connecting tube is connected to the check valve A of the relief valve, another end of the connecting tube is connected to the dispenser; the end of the connecting tube, connected to the relief valve, is provided with a relief valve contact pin for opening the check valve A at the outlet end of the relief valve, when the check valve A is closed, the gas from the gas storage tank is sealed in the relief valve, when the check valve A is closed, the gas in the gas storage tank flows out through the relief valve to enter the connecting tube; the end of the connecting tube, connected to the dispenser, is provided with a check valve B for triggering activation; when the check valve B is closed, the gas passing through the relief valve is sealed in the connecting tube, when the check valve B is opened, the gas in the connecting tube flows out through the check valve B to enter the dispenser; the wine spear seat is disposed on the alcoholic beverage barrel opening, the dispenser is installed above the wine spear seat, the wine spear is installed below the wine spear seat; the dispenser is provided with a piston which triggers the opening of the check valve B of the connecting tube and the opening of the wine spear in the alcoholic beverage barrel and a press rod for controlling the piston to move up and down.