A constant headache after motion sickness may have something to do with individual differences. The patient’s tolerance level for headache is relatively low, considering the physical problems, it may lead to the recovery will be slower. You can take symptomatic oral pain medication, or to rest, keep indoor air circulation, to see if you can recover. If it does not recover, it is recommended to consult the hospital to do head CT, intracranial segmental blood vessel examination to see if there is any organic problem. If none of them, it is recommended that the patient should strengthen physical exercise and physical fitness in general. When you are on a long trip, you should also be well prepared, you must sleep well at night, and you should not eat too much food, and then you should take a good motion sickness medicine in advance to avoid the attack of headache caused by motion sickness.