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    For many smart phone users, especially young people, scanning QR Codes（二维码）has become a new and convenient life style these days. In fact, the QR Code was created in Japan in 1994, but until 11 years later, it was first used in China. It soon became popular around the country. The QR Code is much-loved because it provides a way to get to website more quickly. By scanning QR Codes, people can do lots of things, such as adding new friends, getting information, downloading Apps, shopping and so on. As for the shopping websites, there are usually more sales, including coupons（优惠券）for the phone users. The QR code is so common that people can scan them everywhere. We interviewed 100 people, and here are the results.