"Virtual Community" uses many metaphors to illustrate that we humans may live in an online world that is completely different from the offline world. When talking about the social attributes of the Internet, we often have such doubts about whether online interactions will occur. Affects offline communication. If it appears online too much, will it become isolated from everyone offline. Especially to mention here is that I oppose digital dualism. What we have now is atom and bit Hybrid, they collectively enhance our sense of reality. Especially when we come to the era of mobile internet and use many applications, we will blur the boundaries between online and offline. The text is intended to emphasize:. ['Online and offline are two different worlds.', 'The argument of online and offline interactions is meaningless.', 'Excessive online communication can cause people to be isolated from each other.', 'The online and offline worlds are increasingly connected.']