1) Liver diseases: acute icteric hepatitis, acute yellow liver necrosis, chronic active hepatitis, liver cirrhosis, etc.
2) Extrahepatic diseases: hemolytic jaundice, transfusion reaction of blood group incompatibility, neonatal jaundice, gallstones, liver cancer, pancreatic head cancer, etc.
Elevated bilirubin is not a disease in itself, but a symptom. Therefore, there is no need to pay attention to anything too deliberately in the diet, just like the usual living habits.