Motion sickness is related to the patient’s poor vestibular function, and generally motion sickness rarely leads to hand numbness. There may be the following reasons for hand numbness due to motion sickness: First, patients may have cervical spondylosis and other discomfort due to too long a car ride, which may induce cervical spine bones to compress the surrounding nerves and blood vessels, resulting in numbness of the upper extremities. Patients may have uncomfortable pressure on the cervical spine, it is recommended that patients change their position to reduce the compression of the cervical spine, reduce hand numbness, foot numbness, it is recommended to visit the orthopedic department and other medical examinations. Second, the patient may induce cerebrovascular disease. Patients with long-term motion sickness may be stimulated by fluctuating factors such as blood pressure, heart rate, etc., which may induce the patient to have cerebral insufficiency of blood supply, ischemia, etc., and the performance of numbness in the hands and other limbs, and should go to the neurology department as soon as possible to avoid serious consequences. Third, patients with motion sickness may be accompanied by nausea and vomiting, and a large amount of vomiting leads to imbalance in the body organism, which is prone to the performance of potassium deficiency, once the patient is potassium deficient, there may be numbness in the hands, feet and other limbs.