There are two types of bilirubin: direct bilirubin and indirect bilirubin. There are many causes of high bilirubin, mainly divided into two types: pathological causes and non-pathological causes. So what is the reason for high bilirubin? The following is a detailed introduction to the causes of high bilirubin. First, the non-pathological causes of high bilirubin such as strenuous exercise, excessive fatigue, excessive alcohol consumption and other physiological factors lead to. This kind of situation usually only needs to pay attention to good rest and adjust living habits to recover on their own. Pathological causes of high bilirubin pathological causes: some cholecystitis, viral hepatitis, cirrhosis, liver cancer, acute jaundice, chronic hepatitis, etc. can cause high total bilirubin. Pathological causes of high total bilirubin should be promptly checked and treated in the hospital, as high total bilirubin is damaging to the liver and may cause liver pain in the long term. The high total bilirubin caused by liver disease should be treated actively to avoid deterioration of liver disease. Examples of pathological causes of high bilirubin 1, biliary tract obstruction: in the human body after the occurrence of cirrhosis, biliary hepatitis resulting in obstruction of the biliary tract, will cause direct bilirubin can not be discharged to the intestine, resulting in high direct bilirubin in the blood, obstructive jaundice. Obstructive jaundice has the characteristic that direct bilirubin is elevated and indirect bilirubin is not. 2, hemolytic jaundice: When a large number of red blood cells are destroyed, the indirect bilirubin rises, exceeding the conversion capacity of the liver, so that the indirect bilirubin stays in the blood, which is called hemolytic jaundice, which then leads to high direct bilirubin. 3, liver cell damage: When the human body suffers from liver disease, on the one hand, the liver’s ability to transform indirect bilirubin into direct bilirubin decreases, on the other hand, the liver cells swell, the bile ducts are blocked by pressure excretion, direct bilirubin can not be excluded from the body, which is one of the causes of high direct bilirubin. In liver function tests, elevated bilirubin is very common, and most people do not know enough about bilirubin to know why they have elevated bilirubin and what to do? First of all, a comprehensive liver function test should be done. The liver function test is an important indicator to determine whether the patient’s liver is damaged and the degree of damage. Secondly, the hepatitis B two-to-one test can specifically check whether the patient is infected with hepatitis B, and distinguish between hepatitis B major and minor triplets and carriers of the virus. Because elevated bilirubin is likely to be caused by liver lesions, and hepatitis B is a common cause of liver function abnormalities. In addition, patients should also choose whether to undergo ultrasound, fetoprotein test, hepatic fibrin tetralogy, gallbladder and bile duct X-ray, abdominal ultrasound and other tests according to their symptoms. High bilirubin should not be ignored. If you have persistently high bilirubin, you should immediately go to a regular professional hospital for examination to determine the cause, timely treatment and early recovery. If the bilirubin is high for non-pathological reasons, it can be recovered on its own by paying attention to good rest and adjusting lifestyle habits.