Dizziness is commonly examined by CT, MRI, X-ray, etc. Each of these examinations has its own focus, and there is no absolute fastest and most effective examination method, and the appropriate examination method is usually chosen according to the symptoms. If dizziness is accompanied by numbness of limbs, slurred speech or even blurred consciousness, CT of the head is usually the first choice to rule out cranial hemorrhage and other diseases. If the CT examination is normal or low-density shadow is found, cranial nuclear magnetic can be done to clarify whether there is infarction. If there is clinical numbness of the upper limbs, strong pain in the neck, dizziness, especially when turning the head, suspected cervical spondylosis, you can take cervical spine five-position film, cervical spine nuclear magnetic, to see whether there is cervical spondylosis. In addition, otolithiasis can also present with dizziness, but the dizziness symptoms are related to body position. This needs to be clarified with a Dix-Hallpike test. When dizziness symptoms occur, it is recommended to consult a doctor in time and choose the appropriate test under the doctor’s guidance to clarify the condition.