If the elderly suddenly have dizziness, nausea and vomiting, they should be alert to acute cerebrovascular diseases, including cerebral infarction and transient ischemic attack. For such patients, they should go to the hospital in time for skull CT or MRI examination, except for the corresponding diseases, and of course, some otogenic diseases. Diseases can also occur, such as dizziness, nausea and vomiting. For example, patients with Meniere's disease often show obvious dizziness, accompanied by hearing loss and tinnitus, which can occur repeatedly. They should go to the otorhinolaryngology department for examination. There are also some diseases, such as sudden increase in blood pressure, which can also lead to dizziness, nausea and vomiting. Or psychological and mental factors such as excessive tension and fatigue, poor rest and staying up late can also cause this temporary dizziness, nausea and vomiting. Therefore, there are many causes of this dizziness, nausea and vomiting, and the corresponding diagnosis should be made in the hospital.