Nowadays, with the development of technology, smartphones have become increasingly indispensable communication and entertainment tools in people's lives. For students today, most of them own a cell phone. Our use of smartphones in today's times, the development of digital technology; people are "addicted" to it, dependent on it. Therefore, the problem of using smartphones by students today is a matter of concern to the whole society because of its significant consequences. Smartphones are the most popular means of communication and entertainment today. With convenient and new functions, most students play their phones every day to text, listen to music, go to facebook or watch movies, etc. It's not too difficult to get a smartphone, just need 2 to 3 million can own a phone. The ease of a phone is the main reason leading to the use of phones by students today. This is a common phenomenon, which tends to dominate our modern life in today's era.