Application of taurochenodeoxycholic acid in prevention and treatment of liver injury

The invention relates to new application of taurochenodeoxycholic acid, in particular to new application of taurochenodeoxycholic acid in protection of liver functions. Discovered by researching the taurochenodeoxycholic acid, the taurochenodeoxycholic acid can have protection effect on a mouse acute liver injury model prepared by adopting endotoxin or carbon tetrachloride, so the taurochenodeoxycholic acid can be used for preventing and treating liver injury caused by multiple reasons. The taurochenodeoxycholic acid can be directly administrated, and can also be prepared into medicaments or functional food of various formulations for preventing and treating the liver injury.