Core Strategy of Multi-Platform Publishing - Each video platform has its unique algorithms and rules, requiring creators to adjust video length and content format according to platform characteristics [6] - Different platforms have specific requirements for aspect ratios and resolutions, necessitating the use of professional video editing software for re-editing to ensure core content aligns with new platform logic [7] Output Effect on Different Platforms - TikTok and Douyin focus on innovation and entertainment, with user preferences leaning towards light-hearted and dynamic content. High interaction rates can significantly boost video views, making interactive elements a viable strategy [8] - YouTube Shorts emphasizes content quality and information, with video thumbnails and titles directly impacting click-through rates. The recommendation algorithm prioritizes audience retention, requiring creators to capture viewer attention in the first few seconds [9] - Instagram's Reels feature highlights visual appeal and fashion sense, targeting a predominantly young female audience. Familiarity with trending hashtags and styles is crucial for increasing video exposure [10] - Facebook has a broad user demographic, where content quality and information are also important. Utilizing groups and pages effectively can enhance video visibility and user engagement [11] Conclusion - Multi-platform short video publishing is not merely a copy-paste process; each platform has distinct user habits and algorithm rules. Creators must adjust and re-edit content according to platform characteristics to maximize video dissemination and interaction [11]