In the ways of documents investigation, data analysis, case evidence, technology contrast, and from different views of social lays, this paper points out the tasks and procedures to be taken for the protection of ill information in cyber space.

• 本文采取了文献调查、数据分析、案例佐证、技术对比等方法，从不同的社会层面视角提出了网络空间不良信息防范的任务和措施。