Elevated bilirubin can cause irreversible damage to the nervous system, especially to the brain cells, and bilirubin can also be harmful to the liver cells. What is more important is to pay attention to the dangers of the causes of elevated bilirubin, that is, the dangers of diseases that lead to elevated bilirubin, and to pay high attention to them. Bilirubin is a waste product of metabolism in human blood, and elevated bilirubin should be noted to be produced by the presence of liver disease or bile duct obstruction. High bilirubin is still very harmful to the nervous system, especially to the brain tissue, so it is important to pay high attention to it and to irreversible damage to brain cells, etc. Patients who have elevated bilirubin should be actively treated for elevated bilirubin, such as the use of bilirubin-lowering drugs, as well as the examination and treatment of the causes of elevated bilirubin, to control bilirubin within the normal range to reduce the harm of bilirubin to the human body is still very critical, but also regular jaundice index testing, as well as the treatment of the causes of elevated bilirubin It is also important to have regular jaundice tests and treatment of the causes of the bilirubin increase. Patients should also take adequate rest, refrain from drinking alcohol, and pay attention to changes in body temperature.