In the era of technological development, smartphones are becoming more and more popular so that every single person can easily own at least one. This popularity, on the other hand, confronts an argument among parents and educational experts that youngsters are using smartphones for hours a day. In my perspective, the most common reason is that parents always work in a hectic schedule, so they don’t really have time to control the time of children’s phone use. In this essay, I will also discuss in more detail the deleterious impacts of using phones for many long hours.