Pathogenic bacteria invade lung tissue and cause infection, which can activate the inflammatory mediators response, a large quantity of inflammatory mediators such as PCT, WBC, and CRP are massively released, accelerate lung injury, lead to hypoxemia, and further cause systemic multi-organ function damage.[55] In this study, 3 inflammatory indicators were used to evaluate the degree of reduction in the inflammatory response. This evidence concerns the gene CRP and infection.