Vomiting and dizziness is one of the common reasons for neurological consultation, and is commonly seen in the following diseases:1. Cranial diseases: such as cerebral infarction, cerebral hemorrhage, subarachnoid hemorrhage, cranial trauma, seizures, intracranial infections, intracranial tumors, cranial vascular malformations, and venous sinus thrombosis, etc. Serious cervical spine diseases may cause alteration of consciousness. In severe cases, there will be changes in consciousness, which need to be clarified by cranial CT or cranial magnetic resonance, electroencephalogram, cranial angiography, lumbar puncture cerebrospinal fluid examination, etc. 2, cervical spine diseases: such as cervical spondylosis, cervical medullary tumor, cervical spine tuberculosis, cervical spine trauma, etc., which may be accompanied by limb weakness, numbness of limbs and wind, and need to be clarified by cervical magnetic resonance and other tests. 3, vestibular system diseases: such as vestibular neuritis, Meniere’s disease, benign positional dizziness and dizziness, and so on. 3, vestibular system diseases: such as vestibular neuritis, Meniere’s disease, benign positional vertigo, motion sickness, etc., which can lead to abnormal balance function, dizziness, nausea, vomiting, and unsteady walking.