User-generated content platforms manage community interactions by implementing a combination of moderation systems, community guidelines, and engagement strategies. Moderation can be automated through AI or involves human reviewers to filter inappropriate content and maintain a respectful environment. Clear community guidelines help set expectations for user behavior while fostering positive interactions. Additionally, algorithms can be used to highlight engaging content and encourage participation by rewarding users contributing valuable or popular posts. This proactive approach promotes a vibrant, responsible community where members feel safe and valued.