For hepatitis A patients with positive IgG antibodies, it mostly indicates that the patient has been infected with viral hepatitis A in the past. After the acute phase of viral hepatitis A, IgG antibody positivity will develop, this situation does not require special treatment, if the liver function is normal, the patient can continue to observe. In addition, if the patient is positive for IgM antibodies, the patient is considered to have viral hepatitis A. If the acute phase of infection is accompanied by malaise, nausea, vomiting and yellow staining of the skin and sclera, the patient needs to be treated actively. After active treatment of liver protection, and patients usually pay more attention to rest, do not drink alcohol, do not stay up late, will recover within a month. After recovering from hepatitis A, antibodies will be generated and the patient will be immune to the hepatitis A virus.