The present invention relates to a horizontality adjusting device for a combine, including: a cutting horizontality adjusting portion coupled to a cutting portion of a combine to perform a cutting work with respect to crops a vehicle body horizontality adjusting portion coupled to a running portion of the combine to drive and move the combine an accommodation sensor portion configured to acquire accommodation information by detecting whether the cutting horizontality adjusting portion is accommodated in an accommodation portion of the cutting portion and a control portion configured to adjust an inclination of the cutting portion by controlling any one operation of the cutting horizontality adjusting portion and the vehicle body horizontality adjusting portion in accordance with the accommodation information acquired by the accommodation sensor portion. Accordingly, the present invention is able to prevent a phenomenon in which a cutting portion cannot normally perform a cutting work with respect to crops due to an inclination of farmland.COPYRIGHT KIPO 2017본 발명은 농작물에 대한 예취작업을 수행하기 위한 콤바인의 예취부에 결합된 예취수평조절부, 콤바인을 주행 이동시키기 위한 콤바인의 주행부에 결합된 차체수평조절부, 상기 예취수평조절부가 상기 예취부의 수납부에 수납되었는지를 감지하여 수납정보를 획득하는 수납센서부, 및 상기 수납센서부가 획득한 수납정보에 따라 상기 예취수평조절부 및 상기 차체수평조절부 중에서 어느 하나의 작동을 제어하여 상기 예취부의 기울기를 조절하는 제어부를 포함하는 콤바인용 수평조절장치에 관한 것이다.