The invention discloses an anaesthesia machine special for the anesthesiology department, relating to the field of medical apparatus and instruments. The anaesthesia machine special for the anesthesiology department comprises a machine body, a standby battery and a control display, wherein the standby battery is arranged at the lower side of the machine body, a power supply connecting hole, a controller and a machine connecting hole are formed on the standby battery in sequence, the controller is connected with the standby battery, the machine connecting hole is connected with the standby battery, a power socket is arranged on one side of the lower end of the machine body, an external power supply is connected to one side of the power socket, a current detector and an electric wire are connected to the other side of the power socket, the electric wire is arranged on one side of the current detector, the current detector is connected with the controller, the power supply connecting holeis connected with the power socket, the control display is arranged at the upper side of the machine body, the control display is connected with the controller, when no current passes through the power socket, the current detector transmits a signal to the controller, the controller controls the standby battery to supply electricity, then the device is enabled to work continuously, and thus injuries caused to patients by accidental power failure are prevented.