Kidney failure can lead to nausea and vomiting, and the main reason for this is related to the disturbance of the internal environment. Because in kidney failure patients can show the accumulation of creatinine, urea and other metabolic wastes in the body, these substances can stimulate the digestive tract and symptoms of nausea and vomiting, and patients with kidney failure are often combined with metabolic acidosis will also cause nausea and vomiting symptoms. You need to go to the nephrology department of the hospital, through the examination of kidney function, urine routine, kidney ultrasound, blood gas analysis and other related indicators to assess the condition and then targeted treatment plan, if necessary, renal replacement therapy such as hemodialysis, usually pay attention to regular follow-up checkups at the hospital to monitor changes in the condition.