The incidence of hepatitis is relatively high, of course the incidence of hepatitis caused by different etiologies is different, the incidence of traditional viral hepatitis has declined significantly, as we all know, for a long time, China is known as a large country of hepatitis B, but in the past three decades, the government has taken many measures especially the widespread vaccination of hepatitis B, the rate of hepatitis B infection in China has declined significantly, the epidemiological survey in the 1990s, China’s hepatitis B The positive rate of surface anti is less than 8%, and it is believed to be even lower now. However, with the improvement of living standards and lifestyle changes, the incidence of non-alcoholic steatohepatitis has increased dramatically, accounting for about 49.3% of cases in China, and is accompanied by a number of metabolic disorders. Alcoholic hepatitis also accounts for a certain proportion of patients in some regions.