The student at any time to use the smart phones, such as at class, at home, on the street etc. They know that are not allowed to use smartphones in class, but they still use. Prove that the student really addicted to use the smart phone, so addicted to use of the smart phone will give them a lot of influences. For example, affect studies, affect vision, affect their communication skill, affect relationships etc. We can find out their problem in questionnaires.