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.

精性脂肪(NAFL),又精性脂肪性病(NAFLD),是病率率均较高的常见病,其确切的病因病机制仍不完全明了。