Dizziness is only a symptomatic manifestation of some diseases, not a diagnosis, and an early and clear diagnosis is needed after the appearance of dizziness. The common causes of dizziness are: 1. Common internal diseases include: hypertension, hypotension, anemia, infection, poisoning, hypoglycemia, heart disease, cerebral blood supply deficiency, etc. 2. Common neurological disorders include: cerebral infarction, brain tumor, craniocerebral trauma, epilepsy, vegetative dysfunction, etc. 3.Common ear diseases include: otolithiasis, inner ear infection, Meniere’s syndrome, etc. 4.Common cervical spine diseases include: cervical disc herniation, cervical spine tumor, cervical spine osteophytes, etc. 5.Sometimes the attack is induced by excessive emotional tension, pain, anxiety, excessive fear, weather, fatigue, long-term insomnia, smoking and drinking, etc. Patients tend to experience dizziness, dizziness, nausea, vomiting, discomfort in the upper abdomen, pallor, and cold skin, and sometimes accompanied by a drop in blood pressure and a weak pulse. These symptoms are usually seen in people who are physically weak, have poor physical resistance, stay up late and do not rest well. When symptoms of dizziness appear, it is recommended to go to the hospital in time to avoid delaying the best time for treatment.