High bile acid may be caused by hepatitis, hepatocellular carcinoma, other diseases, and should be promptly consulted to find out the cause. 1. Hepatitis: Bile acid may increase when liver cells become congested and edematous, which presses the capillary bile ducts and obstructs the bile ducts; 2. Hepatocellular carcinoma: Hepatocellular carcinoma belongs to new organisms, which constantly triggers inflammation in liver cells and turns them into cancer cells, which grows without any limitation, and then presses the bile ducts after it gradually forms a mass, which obstructs the channel of bile acid excretion and increases bile acid; 3. Other diseases: stones in gallbladder duct, pancreatic cancer, which presses the bile duct, can cause bile acid to be elevated. High bile acid is mostly caused by liver and gallbladder diseases, should be timely medical examination for diagnosis and treatment, active treatment as well as nursing care, pay attention to diet, good work and rest, appropriate exercise.