Glutathione is mainly found in human liver cells, and a high glutathione test result is often the result of unexplained damage to liver cells, leading to abnormal liver function. For the health card must check the items have liver function, liver function test contains glutathione, if detected glutathione high, in addition to the health card must check hepatitis A antibody, hepatitis E antibody, but also need to check hepatitis B five, in order to determine whether the active period of hepatitis B. If it is determined that the hepatitis A virus, hepatitis B virus or hepatitis E virus caused by elevated ghrelin, can not apply for a health certificate. Other causes of elevated GLTA will also suspend the issuance of a health certificate, and a health certificate will be issued only after treatment and recovery and a liver function check to prove that GLTA has turned normal.