Poor video detection method and device

The invention provides a poor video detection method and device. The method comprises the following steps of, dividing a video to be detected into a plurality of lenses, and extracting a non-marginal frame as a video key frame from each lens; extracting a skin color region in the video key frame; detecting whether the video key frame is a poor video frame according to the extracted skin color region; and determining whether the video to be detected is a poor video according to the correlation of the poor video frame, a frame in front of the e poor video frame and a frame at the rear of the poor video frame. The invention can enhance the efficiency and the accuracy of poor video detection.