The harmful Internet content, as one of the main problems related to the birth of Internet, has already attracted attention of international and national institutions. Regardless of two main problems arising in this field – the global nature of Internet and the subjective nature of malignancy, it‘s almost decade as European Union and the Council of Europe are trying to solve harmful Internet material related questions in such ways, that would be acceptable to all the region. The author of this work suggests that basis of Lithuanian law should be reviewed and the approach to the tendencies of international regulation should be more critical – special attention should be paid when implementing self-regulatory mechanisms.