More and more fresh things happen to our life with the developement of information technology, such as E-books. They are so welcome among young people, even elders.But, as we usually say, everything has two sides.We should face fresh things with sense. For E-books, some people look them as the substitution of traditional books, but for me, they won't. The E-books have many advantages.Firstly, they are so fast and easy to read and we just need a cellphone or a computor. Secondly, they could save so much money for us to buy them, in many cases, they are free. Thirdly, they are environmental, because they are not be written on paper. Although they have these advantages, traditional books can't be displayed by them.Sometimes, reading is a kind of feeling, however, E-books can't give us the kind of feeling. Futhermore, if we read books for long time, it will hurt our health, especially for our eyes. Lastly, for pupils even middle students, they couldn't control themthelves very well for E-books, so traditional books still play important roles.