Immuno Penta test can check for liver disease, autoimmune disease, various infectious diseases and other diseases. Patients need to take into account their own situation, combined with the results of the test, ask the doctor’s guidance. Immunopenta test mainly includes IgA, IgG, IgM, complement C3 and C4, when the value is over or under the normal range, it is considered to be caused by diseases. Abnormal IgA values can be seen in multiple myeloma, systemic lupus erythematosus, rheumatoid arthritis, cirrhosis, etc. Abnormal IgG values can be seen in cirrhosis, chronic active hepatitis, nephrotic syndrome, leukemia, etc. Abnormal IgM values may be associated with macroglobulinemia, rheumatoid arthritis, secondary immune deficiencies and other diseases. Abnormal complement C3 and C4 may be associated with diseases such as acute inflammation, systemic infection, rheumatic fever, dermatomyositis, myocardial infarction. If the patient’s immunity test results are abnormal, it is recommended that the patient go to the Department of Infectious Diseases, Rheumatology and Immunology of the regular hospital for further clarification of the cause, and follow the doctor’s instructions for diagnosis and treatment.