The online term "flood" usually refers to online forums, social media, blog, and other platforms where some people post content just to reply to other users 'content without really having any valuable replies. This behavior is called "water posts." The appearance of " water posts " would often cause other users 'discussions to be drowned out, affecting the order and quality of the forum. Therefore, in some communities, users who posted water posts would be punished, such as restricting them from posting for a period of time, giving warnings, or even deleting posts. Therefore, in the online world, people often used the term " water posts " to describe those posts that lacked real valuable content and were only replied to for the sake of replying.