Massive internet pornografi exposure has changed individual perception about pornography. At the same period, implementation of internet based learning in Primary School has encouraged Primary School Student to access internet and exposed on pornography. This study argue that pornography exposure have caused misperception among Primary School Student in Internet Based Learning Era. Primary School Student’s misperception about pornography be focus on this study. Qualitative approach with observation, interview, and field note is applied in this study. It objectively ilustrated Primary School Student’s misperception as result of pornography exposure in Internet Based Learning Era. As shown in this study, Primary School Student’s legalization on pornography is response to pornography exposure. This legalization caused by misperception during pornography exposure.