The invention relates to a vehicle operation diagnosis device (1) and method for diagnosing vehicle operation of a driver and determining whether or not to provide advice relating to the vehicle operation if a result of the diagnosis has met a predetermined provisioning condition; providing the advice relating to the vehicle operation if it has been determined to provide the advice; and comparing the vehicle operation of the driver before the advice was provided with the vehicle operation of the driver after the advice was provided, wherein it is determined at the advice provision determination step whether or not to provide the advice, based on a comparison result at the vehicle operation comparison step when the advice was provided at the advice provision step in the past.
Vehicle operation diagnosis device, vehicle operation diagnosis method and computer program