A hydraulic control apparatus including a cut valve disposed in a hydraulic circuit, a hydraulic storage device connected to the hydraulic circuit through the cut valve, a stroke amount detecting means for detecting an amount of a piston stroke in the hydraulic storage device, and a control means for discharging a hydraulic pressure from the hydraulic storage device to the hydraulic circuit upon restarting an engine from the idling stop, wherein the control means is configured to open the cut valve upon restarting the engine and, after opening the cut valve, close the cut valve in a case where a change in the detected amount of a stroke of the piston is reversed from such a direction as to discharge the hydraulic pressure from the hydraulic storage device to such a direction as to supply the hydraulic pressure to the hydraulic storage device.