Background: Nonalcoholic Fatty Liver(NAFL), i.e. Nonalcoholic Fatty Liver Disease(NAFLD). is a disease of high incidence and recidivation, up-to-date, it is pathogeny and pathology still dimness.

非酒肪(NAFL),又称非酒肪病(NAFLD),是发病率和复发率均较见病,其确切病因和发病机制仍不完全明了。