The purpose of the invention is to provide an abnormal monitoring device in lift car; even the lift equipped with window glass on the door is able to monitor the abnormity without being affected by the light such as sunlight. The device has: an illumination light determination area equipped in the upper end area of camera image; a door lockage state determination area equipped near to the closed end of the upper part of the door; a passenger detecting area equipped in the lower area near the closed end of the lower part of the door; an illumination determination unit for comparing the illumination of the basic image and the illumination of the illumination light determination area of the image taken by the camera to determine the extinguished light of the illumination; a door lockage state determination unit for comparing the illumination of the basic image and the illumination of the door lockage state determination area in the current image to determine the lockage of the door; a passenger detecting unit for comparing the illumination of the basic image and the illumination of the passenger detecting area in the current image to determine whether there is passenger.