Dizziness and vertigo may be the omen of cerebral infarction, or it may be the symptom of benign paroxysmal positional vertigo, Meniere’s disease, vertebral artery cervical spondylosis. 1. Cerebral infarction: the appearance of dizziness and vertigo may be caused by transient ischemic attack of the posterior circulatory system, and may be accompanied by speech disorder, ataxia and other symptoms, which can be relieved by itself in a short period of time, and some of them may develop into cerebral infarction, and thus is the precursor symptom of cerebral infarction. 2. Benign paroxysmal positional vertigo: vertigo may occur when the patient’s head position changes, such as when getting up or lying down, and is usually accompanied by nausea, vomiting and other symptoms. 3. Ménière’s Disease: The disorder of the lymphatic system of the inner ear leads to the accumulation of water in the inner ear, which causes vertigo, and head movement can aggravate vertigo, accompanied by hearing loss, and symptoms of vomiting can occur. 4. Vertebral artery-type cervical spondylosis: it can be induced by overwork, long time watching electronic products and other factors, which compresses the vertebral artery and gives rise to vertigo symptoms. Vertigo may be a precursor of cerebral infarction, but most of them are clinical manifestations of related diseases, therefore, it is recommended to seek timely medical treatment for symptoms of vertigo.