A driving control apparatus of a hybrid vehicle is provided with: an internal combustion engine, a power dividing mechanism generator; an electric motor capable of outputting power according to electric power supplied from at least one of the generator and a storage battery, to a drive shaft; a changing device capable of changing an operating state of the generator, from one state to the other state out of a first state in which the rotating shaft of the generator can rotate and a second state in which a rotating shaft of the generator is fixed in a stop state; and a controlling device for controlling the changing device to change the operating state of the generator from the one state to the other state in a predetermined period in which the rotating shaft of the generator does not rotate.