It means tenderness, pretending to be tender, silly, pretending to be stupid, pretentious and other personality psychology, and there are more female users. In March 2011, in a blog post, he parodied the tilde "~" and called it a "moan sign". More and more people are "acting cute", and netizens like to use this symbol as a period. Some netizens ridiculed this symbol as a "moan number".