The use of mobile phones is becoming more and more widespread, and the time for students to contact mobile phones for the first time is getting earlier and earlier, so it has become necessary and urgent to pay attention to the psychological problems caused by mobile phones for students. This article analyzes the impact of smartphone apps on students' mental health. This paper argues that overuse or incorrect use can cause students to have psychological problems such as anxiety and depression. This may be due to factors such as lack of communication, family influences, etc. Based on this, this article suggests that society should increase the relevant publicity for the correct use of mobile phones. Schools should pay attention to the different psychological problems of different students and provide targeted counseling. Families should communicate more and guide students to take the initiative to express themselves. Students should learn self-control and at the same time, develop good living habits to avoid psychological problems.