Dizziness and unsteadiness may be related to peripheral vertigo, central vertigo or cervical spondylosis, nutritional metabolic disorders and other diseases, as follows: 1, peripheral vertigo: such as vestibular neuronitis, Meniere’s disease, benign positional vertigo, etc., can appear dizziness and unsteadiness symptoms; 2, central vertigo: mostly seen in posterior circulation ischemic diseases, such as cerebellar and brainstem lesions, including cerebellar infarction, cerebellar hemorrhage, brainstem cerebellar infarction, cerebellar hemorrhage, brain stem infarction and hemorrhage, brain tumor, and cerebellar atrophy caused by acute or chronic alcoholism after drinking alcohol or genetic metabolic diseases; 3, cervical spondylosis: it can be seen in vertebral artery cervical spondylosis, which can also cause dizziness and unsteadiness; 4, nutritional metabolic disorders: such as subacute joint spinal cord degeneration caused by long-term vitamin B12 deficiency, which can also cause dizziness and unsteadiness. For most of the dizziness and unsteadiness caused by clear etiology and no brain lesions, better recovery can be obtained by treating the primary disease, but if brain lesions are already present, complete recovery may not be possible.