Number A, ALT is the abbreviation for alanine aminotransferase, which is often used as a sensitive indicator to determine hepatocellular injury.Number B, AST is the abbreviation for aspartate aminotransferase, which is mainly used in the diagnosis of acute myocardial infarction.Number C, GGT is the abbreviation for gamma-glutamyltransferase, which is mainly used to diagnose the diagnosis of hepatobiliary diseases.Number D, ACP is the acid phosphatase Item D, ACP is the abbreviation of acid phosphatase, which is mainly used for the auxiliary diagnosis of prostate cancer and the observation of therapeutic efficacy. item E, α-AMY is the abbreviation of α-amylase, which is mainly secreted by the salivary glands and pancreas, and AMY is significantly increased in the blood and urine when the patient suffers from acute pancreatitis.