Patients appear dizzy and want to vomit while playing with their cell phones while riding in a car, indicating that they have symptoms of motion sickness. It is best to put down the cell phone to ensure a fixed posture of the head, you can lean on the back of the seat and avoid swinging back and forth to avoid increasing the sensitivity of the vestibular function and aggravating the patient’s nausea and vomiting symptoms, make sure not to look out of the window, it is best to take Benadryl tablets orally, which can effectively reduce the patient’s motion sickness symptoms. After fixing the head and repeatedly pressing the Hegu point with the hand can effectively reduce the symptoms of motion sickness. Properly drinking lemon juice or eating acidic food, such as pineapple or sour horns, can reduce the patient’s nausea symptoms, and dizziness and vomiting will improve after closing the eyes, and it is recommended that you must not play with your cell phone when riding in a car.