PROBLEM TO BE SOLVED: To provide a driving state improvement device capable of the driving state of a driver without giving any uncomfortable feeling or compulsive feeling to the occupant of a vehicle.SOLUTION: The driving state improvement device includes: a vehicle state detection part for detecting the state of a vehicle a measurement part for measuring the degree of inadequate driving on the basis of the state of the vehicle an operation input part for allowing the occupant of the vehicle to perform an operation input and an information output part for, when the degree reaches a predetermined coping level, outputting driving state improvement information for requesting the operation input by the occupant.COPYRIGHT: (C)2015,JPO&INPIT【課題】車両の乗員が違和感あるいは強制感を覚えることなく、運転者の運転状態を改善可能な運転状態改善装置を提供する。【解決手段】車両の状態を検出する車両状態検出部と、車両の状態に基づいて、不適切運転が行われている度合いを計測する計測部と、車両の乗員が操作入力を行う操作入力部と、度合いが予め定められた対処レベルに達したとき、乗員による操作入力を要求する運転状態改善情報を出力する情報出力部と、を含む。【選択図】図1