Create a city – how to do online communication civilized polite

now, the network has become a part of modern life, work, communication, entertainment, etc., are inseparable from the network. However, the network brings convenience to people at the same time, but also in the dissemination of a variety of bad information, including some yellow, vulgar, false information. Not only poisoned the social atmosphere, but also affected the normal order of the network. So, how to regulate the order of the network, do an online communication civilized polite people?