The invention discloses a low-delay stream extraction second opening method in a video distribution scene. A live video scene processing module, a video forwarding scene processing module and a videoon demand scene processing module are contained; the live video scene processing module is used for realizing a low-delay stream extraction second opening function in a live video scene; the video forwarding scene processing module is used for realizing the low-delay stream extraction second opening function in a video forwarding scene and performing correction processing on PTS and DTS; and the video on demand scene processing module is used for realizing the low-delay stream extraction second opening function in a video on demand scene.