In the modern economic conditions,the author from income profitable purpose,most new book exists in the form of traditional books.Meanwhile,traditional books is printing production listed,general beautifully printed chart and so on,and explain,facilitating understanding,of course,because the computer is now widespread,many electronic text reading function,so ebook also has its necessity of existence,and there were many electronic magazine also do good,sound and color,and vivid animation,see this kind of books and more than reading the traditional books much a few minutes fun.When I above analysis,I think ebook won't replace traditional books,each has his strong point,each have each market.