Presently, the popularity of mobile phones has brought about innumerable convenience, but at the meanwhile variety of problems, such as social, medical and technical problems. However, I do not believe these disadvantages will outweigh the advantages brought by cell phones. In this essay, I would like to analyse these three issues in order to support my viewpoint. First of all, almost everything that changed our life style also cause some controversial social issues and mobile phones are not out of expectation.