Simply put, dizziness is only a symptom, and there are many causes of dizziness, and many clinical diseases can cause dizziness. There are still many clinical causes of dizziness that cannot be identified, and there are several common clinical causes: 1. Diseases of the nervous system can cause dizziness, such as acute cerebrovascular disease, cerebellar lesions, etc. These diseases often have a rapid onset and are serious, and require prompt hospital consultation and improvement of head MRI and other related examinations; 2. Diseases of the vestibular system, such as otoliths, Meniere’s disease, etc., can cause 3, and certain diseases of the heart, such as arrhythmia, heart failure, etc.; 4, anemia, hypoglycemia and other metabolic diseases of internal medicine can also cause dizziness; 5, psycho-psychological factors, such as depression and anxiety, can also lead to dizziness, drowsiness and discomfort. Therefore, the onset of dizziness may be single-factor or can be caused by a combination of factors, and its etiology and diagnosis are complex and involve many diseases. Therefore, if there are persistent dizziness or recurrent episodes of dizziness, even accompanied by other manifestations such as nausea, vomiting, weakness of the limbs, choking and coughing with water, it is recommended to see a doctor at a regular hospital to clarify the cause and then standardize the medication treatment under the guidance of a physician.