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.

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