The causes of dizziness, nausea and yawning are as follows: 1. Consider the relationship with the patient’s insufficient blood supply to the brain and the brain being in a state of lack of oxygen. If the patient’s blood is in a high-fat, high-viscosity state or has cerebral arteriosclerosis, cerebral vascular stenosis and slow cerebral blood flow, it will cause brain tissue and brain cells to be in a state of ischemia and lack of oxygen, which will manifest as dizziness, nausea and yawning. When acute cerebrovascular disease occurs, such as when a patient has a large cerebral infarction, in addition to symptoms of neurological deficits, it will also be accompanied by symptoms of dizziness, nausea and yawning. 2. Patients may be caused by brain fatigue and body fatigue, such as when patients stay up late, have low sleep quality and do not sleep well, they will show symptoms of dizziness, dizziness, nausea and yawning.