Nowadays,shopping online becomes a fashion.People can buy anything they want on line. Shopping online have many advantages,for instance,people can not go to store that buy anything,and it can reduce time.Last but not lease, shopping online is more convenient,there are more choices and more cheaper things.If you don't like it,you can return it very easily.but it still bring some problems to assail us.For example,we don't konw these things are real when we buy them on line,or something is not important for us and so on. in a word,I think shopping online change our lives to some extent.we should have objective konwledge about it.