It cannot be refuted that new technologies provide a convenient way to learn new knowledge about the world for most children when they are free ,and this reason makes some suggestible people form the view that the development of technology can benefit children in their leisure time,Nevertheless,this state suffers from some misconceptions and should be checked out precisely.As far as physical health, mental health, and self-development are concerned,I firmly believe that the disadvantages of the change overweight the advantages.