The reason why you do not feel dizziness while driving and experience dizziness while riding in a car is that you are in a state of high mental tension while driving and need to pay attention to speed control, lane changes, and other situations. When the mind is in a state of extreme tension, it may not be possible to feel vertigo. If the vestibular system is not well developed, when motion stimulation occurs, it can be felt through the vestibular organs and transmitted to the vestibular center. At this time, if the attention is focused on whether the symptoms of motion sickness or discomfort exist, the person may feel dizzy. Therefore, for people who get dizzy in a car, they should try to keep ventilation when riding in a car, and the symptoms of motion sickness will be reduced in the case of better air circulation. In addition, it is also necessary to minimize stimulation, you can let the driver to slow down the car, especially in the bumpy places slightly slow down, then the symptoms of motion sickness will also be improved.