Dizziness in peritoneal dialysis patients need to clarify the cause of the disease and treat the cause. The common causes are excessive and rapid ultrafiltration, insufficient blood volume, etc. Hypotension can be relieved by drinking more water, rehydrating and expanding the volume, and reducing the number of peritoneal dialysis sessions. Dizziness in peritoneal dialysis patients is usually considered to be caused by dialysis imbalance syndrome, mostly due to excessive ultrafiltration, ultrafiltration too fast, low blood pressure due to insufficient blood volume, which is manifested as dizziness. At this time, the patient can be instructed to drink more water, and at the same time be given cotinuous sodium chloride solution to recharge and expand the volume, and even consider reducing the number of peritoneal dialysis sessions by replacing the 4 times a day with 3 times a day, and so on. In addition, if the patient, in addition to dizziness, is accompanied by weakness of the limbs, slurred speech and other symptoms, it is recommended to improve the cranial CT to rule out cerebral hemorrhage or cerebral infarction and other diseases. Peritoneal dialysis patients may also have other causes of dizziness, it is recommended to go to the regular hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.