Patients look at their cell phones for a long time and experience dizziness, nausea, and the urge to vomit. The first aspect, caused by visual fatigue. The second aspect is caused by brain fatigue. After looking at the cell phone for a long time, it will cause the brain to be in a state of tension, which will lead to brain nerve dysfunction, manifesting as symptoms of dizziness, nausea and vomiting. The third aspect, cervical spine problems caused by prolonged viewing of cell phones may lead to tension and pulling of the neck muscles, resulting in cervicogenic cerebral blood supply deficiency, which will manifest as dizziness and nausea, vomiting symptoms. Therefore, when the patient has these symptoms for a long time, he should immediately rest to avoid aggravating the progress of the disease, get up or put down the phone, do more activities outdoors, breathe fresh air, and do cervical exercises, all of which can help alleviate the symptoms.