There are many causes of dizziness in patients for 3-4 days, which should be clarified by combining the trigger of the dizziness with the accompanying symptoms, relevant physical examination, and positive signs. 1. If the patient’s dizziness occurs at a specific position of the head, and the patient can be observed to have episodes of nystagmus when dizziness is accompanied by vertigo, consider it to be caused by otoliths. 2. If the patient’s dizziness is manifested by dizziness and nausea, middle-aged and elderly people should consider it to be caused by insufficient blood supply to the brain, cerebral arteriosclerosis. 3. 3. If the dizziness is more severe, accompanied by ataxia and walking to one side, it is considered to be caused by cerebellar diseases, such as cerebellar infarction. 4. If the dizziness is accompanied by tinnitus and stuffy ears, it is considered to be caused by Meniere’s disease.