Video understanding and generation are implemented based on deep learning algorithms and technologies involving vision, text, and audio to extract video features. The product can be used in photo album management, smart searching, personalized video recommendation, and other scenarios. It provides smart video editing tools and facilitates "secondary creation" based on video features to output high-quality, high definition and stylish video contents. It covers every video industry chain from video production, editing and processing, video reviewing, to video transmission, smart distribution and video consumption.