There are many causes of dizziness, such as central nervous system disease, peripheral nervous system disease, circulatory system disease and metabolic disease and psycho-psychological factor disease, etc. The specific analysis is as follows: 1. Central nervous system diseases For example, acute cerebrovascular disease, cerebellar lesions, etc., this kind of disease is often the onset of rapid, serious condition, it is recommended to timely hospital consultation, clear diagnosis and treatment, improve the relevant examination and testing. 2. Peripheral system diseases Diseases of the vestibular system, such as otolithiasis, Meniere’s disease, etc., can lead to episodes of dizziness, nausea and vomiting. 3. Circulatory system diseases Diseases of the heart, such as arrhythmia and heart failure. 4. Metabolic diseases Such as anemia, hypoglycemia, etc. 5. Psychosomatic diseases For example, depression and anxiety can also lead to dizziness and drowsiness. So the attack of dizziness may be a single factor, or it can be caused by a combination of factors. If the above symptoms continue to be unrelieved, it is recommended to go to a regular hospital to clarify the cause, and then standardize the use of medication under the guidance of the physician. Avoid delays.