An audio control method includes as follows. Control a vehicle to switch to an audio playing mode in response to input operations applied on a touch input unit of a vehicle. Recognize a gesture in response to input signals. Compare the gesture with a plurality of predefined gestures stored in a storage unit of the vehicle to determine whether the gesture is same as one of the plurality of predefined gestures. Obtain a control order corresponding to the one of the plurality of predefined gestures when the gesture matches the one of the plurality of predefined gestures. Control a volume of an audio player of the vehicle to increase or decrease according to the control order.