A method controls an acceleration pedal of a vehicle that calls a driver's attention by causing vibration or increasing pedal effort in the acceleration pedal according to diversified driving situations. The method includes selecting a control mode of selecting, by a driver, a control mode given to the acceleration pedal, judging an eco red state of judging whether the vehicle is driven for a predetermined time in the eco red state, and executing the control mode of giving the control mode selected at the selecting of the control mode to the acceleration pedal when it is judged that the vehicle is driven for the predetermined time in the eco red state at the judging of the eco red state.