MRI does not generally cause dizziness and nausea, and the symptoms may be caused by panic and anxiety due to the presence of loud noises from the instruments during the examination. In addition, if the examinee has underlying medical conditions such as high blood pressure and neurasthenia, it may also cause dizziness and nausea. MRI examination, the magnet in the process of each magnetic field changes in the electromagnetic effect can produce oscillation, will emit a large sound, and the examination time is relatively long, may lead to the patient’s nervousness and anxiety, thus causing dizziness and nausea. Generally, it can be relieved on its own after rest. The examinee himself if there are some basic diseases may also be induced, thus appearing dizziness and nausea symptoms. Such as hypertension, neurasthenia, cerebral blood supply insufficiency, Meniere’s disease, otolithiasis and so on. At this time, it is necessary to actively treat the primary disease in order to improve the symptoms. It is recommended to communicate with the patient before the nuclear magnetic examination to understand his physical condition and relieve his nervousness. After the examination, it is recommended to consult a doctor in time to clarify the cause and carry out reasonable treatment and recovery.