Sudden dizziness and vomiting in a 70-year-old man may be cerebrovascular disease, auriculopathies and so on. 1. Cerebrovascular disease: such as cerebral arteriosclerosis, cerebral blood supply insufficiency, acute cerebral infarction, cerebral hemorrhage, etc. can cause sudden dizziness, vomiting, severe can also be accompanied by hemiplegia (one side of the limbs can not be free to move), limb numbness and weakness. People with high blood pressure or atherosclerotic disease should be alerted and consult the doctor in time. 2. Otogenic diseases: Otolithiasis, vestibular neuritis, Meniere’s disease and other diseases can cause sudden dizziness, vomiting symptoms. You need to go to ENT department for treatment. In addition to the above diseases, the sudden dizziness and vomiting of the elderly may also be caused by cervical spondylosis and other diseases, and should be consulted as soon as possible, under the guidance of the doctor to clarify the cause of the disease and standardize the treatment, so as to avoid delaying the condition.