A vehicle height adjusting device includes a front fork and a rear suspension capable of changing the relative position between a vehicle body and wheels of a vehicle, and a control device that adjusts a vehicle height, which is a height of the vehicle body, by controlling the front fork and the rear suspension to change the relative position. The control device changes a vehicle height change rate, which is a rate of changing the vehicle height to a target vehicle height during stoppage, on the basis of deceleration of the vehicle.