The erotic behavior on the live online platform not only breaks the governance boundary of the current front norms, but also causes disharmony to the adjustment of the existing criminal norms. It is necessary to learn from the effective experience outside the domain, and to coordinate the relationship between freedom protection and behavior regulation, between network development and legal protection. To regulate the behavior, China need to display the modest restraining role of criminal law, improve the administrative laws and occupational standards, straighten out the interpretation dispute of crime of propagating obscene articles, crime of spreading pornographic materials for profitmaking, crime of assembling a crowd to engage in sexual promiscuity, crime of organizing an obscene performance, and establish the crime of public indecency.