Nowadays, as the development of high technology, people like to use computer, they use computer to read the news, to play the game and so on. Now more and more computer functions h**e been developed, people like to do business on the computer, it s**es people a lot of time and it is very convenient. Shopping online is most people’s choice today, but it has disadvantages. First, the products will be not in good quality, people can’t touch the products, they only can see the pictures, so they can’t figure out the real products’ quality. Second, when people pay the money online, they will h**e the chance to leak out their message, their online account will be attacked by the hackers and thus to lose the money. Of course, shopping online is more and more popular, we must take care of personal message when shopping online.