The internet and technologies have provided more possibilities for people to express themselves on various platforms. On these visual platforms，with specific context，users can decide the forms of their expressions thus opening more formats of performances. Understanding the situation of young people’s self-expressions in the new media era can help educators to acknowledge these minors’ psychological state and see the trend of their further development. It is thus an imperative issue in minors’ healthy development. This study finds that online spaces have become an important scene for minors’ self-expression. Minors are more inclined to make emotional expressions which reflect gender and regional differences. Minors need more privacy protection. Their expression can be superficial and lacking contribution to public interests. Parent-child interactions online are insufficient. This study recommends that these problems should be handled in terms of policy making，humanist concern，cultural constructions.