Dizziness, blurred vision and irritability can be seen in normal people, but may also be caused by organic or functional diseases, patients should consult a doctor in time to clarify the cause of treatment. 1. Physiological conditions: lack of sleep, poor sleep quality, stress can cause dizziness, blurred vision, irritability, such people should maintain adequate sleep, find a suitable way to reduce stress, generally no special treatment. 2. Functional diseases: common functional diseases that can cause dizziness, blurred vision and irritability are anxiety disorders and depression. (1) Anxiety disorders: these patients will have strong, excessive and persistent worries and fears in their daily lives, which can lead to dizziness and agitation. (2) Depression: patients will have persistent depression, dizziness, irritability, and some patients will have suicidal and self-injurious behaviors. 3. Organic diseases: common organic diseases that can cause dizziness and agitation are hypertension, and patients will also have palpitations, headache and other symptoms. Dizziness and irritability can also be caused by other factors, it is recommended that patients who do not have relief for a long time to consult a doctor in a timely manner to identify the causes and follow the doctor’s instructions for targeted treatment.