Eating chewing gum during motion sickness cannot effectively relieve motion sickness symptoms. Recurrent episodes of motion sickness are formed due to vestibular dysfunction. Before taking a car, you can take drugs such as betahistine hydrochloride to regulate the vestibular function, so as to reduce the symptoms of motion sickness. People who are prone to motion sickness and seasickness can also do vestibular function training, through training to gradually improve the vestibular adaptive function, so as to reduce the symptoms of motion sickness and seasickness. Usually pay attention to the diet should be low-salt diet, in order to promote the labyrinthine fluid subside to improve vestibular function, reduce the symptoms of motion sickness, seasickness, and pay attention to rest, in the long distance by car before the boat, to avoid excessive late-night, tired, so as not to aggravate the symptoms of motion sickness, seasickness.