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. <EOS>