With a shorthalf-life, its level is slightly elevated or not elevated inpatients with non-bacterial infections, and it is highlyexpressed in infectious diseases, making it an idealindicator for diagnosing infectious diseases [14], [15].TNF-α serves as both the primary inducer immuneinflammatory response, and a pivotal element in theinflammatory »cascade reaction«. This evidence concerns the gene TNF and bacterial infectious disease.