Content security broadcast control method and system

The invention relates to the field of video content playing control, in particular to a content safety playing control method and system. The invention discloses a method for safely playing and controlling contents. The method comprises the following steps of: downloading a video which passes auditing; decoding and caching the video, and carrying out feature value comparison; and outputting and displaying the video. According to the content safety broadcast control method, in a broadcast control cloud platform, after a video program is encrypted and transmitted to a broadcast terminal to be received, an LED video controller end compares and verifies the features of the broadcast video content, and the features are transmitted to an LED display screen to be played after being compared to be consistent. And the full link ensures that the played content is subjected to multiple audits, so that the safety of the played content is ensured. 本申请涉及视频内容播控领域，特别是涉及一种内容安全播控方法和系统。一种内容安全播控的方法，所述方法包括：下载审核通过的视频；将所述视频解码，缓存，进行