Media plays an important role in infants and children’s leisure time. The increase in the amount of time that infants spend exposing to media, such as television, internet and DVD, has prompted more concern among parents and researchers. Firstly, infant’s media using was introduced and positive and negative effects of television on the development of infants were reviewed. Secondly, the relationship between the media and the cognitive development of infants in attention and responsiveness, vocabulary and word learning and learning between 2D to 3D were also reviewed. Finally, suggestions for further research were discussed in the end, such as the definition of the media and television viewing, television content and form and the new technique etc.