Hepatitis can be divided into viral hepatitis, alcoholic hepatitis, steatohepatitis, autoimmune hepatitis, drug hepatitis and other types of hepatitis, different types of hepatitis causes will be different. 1. Viral hepatitis: the onset of viral hepatitis is mainly related to the hepatitis virus infection of the human body, the hepatitis virus can enter the human body through the blood route, mother and child route, sexual contact route, the source of infection for other viral hepatitis patients and virus carriers. 2. Alcoholic hepatitis: the onset of alcoholic hepatitis is mainly related to the human body intake of alcohol, ethanol and its intermediate products lead to hepatocyte steatosis, which in turn causes hepatitis. 3. Steatohepatitis: the occurrence of this disease is mainly related to overweight and obesity, diabetes, metabolic syndrome patients with lipid metabolism disorders, may also lead to steatohepatitis. 4. Autoimmune hepatitis: autoimmune dysfunction, resulting in the body’s immune attack against liver cells. 5. Drug hepatitis: drugs and their metabolites directly or indirectly cause damage to the liver, which can also cause hepatitis. Clinically, hepatitis can also be caused by other reasons, it is recommended to go to the hospital as soon as possible, after clarifying the cause of the disease, cooperate with the doctor for treatment.