Abstract: With the rapid development of Internet technologies and new applications, pornographic and illegal contents are pervasive on the Internet to some extent in the era of social media, bringing great challenges for the work of eliminating them Due to the changes of environment and targets, the work of eliminating pornography and illegal publications has some problems in the aspects of related laws and regulations, methods and institutions The following countermeasures should be taken: to consummate the relevant laws and regulations; to improve the working methods; to integrate the law enforcement resources; to practice self-regulation of Internet industry and to encourage the netizens to participate

Key words: social media, eliminating pornography and illegal publications, law and regulation