The specific dangers of students using mobile phones are as follows: Students using mobile phones may cause vision problems because the screen on the mobile phone is often bright and far away from the eyes, which is easy to cause eye damage. Students using mobile phones may cause hearing problems because the sound on the mobile phone is often noisy and easy to interfere with students 'hearing. 3. Students using mobile phones may cause sleep problems because the blue light on the mobile phone can suppress the secretion of meltdown and affect the quality of sleep of students. Students using mobile phones may cause learning problems because applications on mobile phones tend to consume time and energy and easily distract students. 5. Students using mobile phones may also affect their health, such as causing obese, cervical vertebra disease, lumbar vertebra disease, etc. Therefore, students should use their phones appropriately, avoid overuse, and maintain the correct way of using them to protect their health and learning achievements.