Today, with the development of high-technology, we can get access to all kinds of high-tech products, such as computer, digital cameras and so on. These products make our life more convenient, we can keep in touch with family and friends any time any where. Our life has been changed by the high-tech, we live in a fast-pace world. Cell phone influences our life deeply, everyone owns it. While cell phone brings many dangers. First, cell hone contains radiation which hurts people’s body. Today, more and more people die of cancer, the main reason is that the high-tech products radiate their bodies, in the long run, the bodies get sick. Cell phone is one of such products, it hurts our bodies as long we use it. Second, cell phone distracts our attention about discovering the beauty of life. People pay their attention on cell phone, they count on it by reading news and making friends, being less going out. We should use cell phone properly.