Objective:To explore the distribution characteristics of non alcoholic fatty liver (NAFLD) in Changsha and its correlation with blood pressure, body mass index, blood lipids and liver function enzymes. Methods: Multi stage cluster random sampling method was adopted to investigate the physical fitness of the population in Changsha area. Results: ( 1 ) The distribution of TCM Constitution constituent ratio of NAFLD as follows :Peaceful quality 42.9%, phlegmy wet quality 17.1%, hot-humid quality 10.2%, Yang deficiency 9.9%, qi deficiency 6...