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.

非精性脂肪(NAFL),又称非精性脂肪性(NAFLD),是发率和复发率均较高的常,确切的因和发机制仍不完全明了。