CRP, PCT and IL-6 all showed significant increases in non-immune diseases than IM and immune diseases, with the value of 18.8 ± 1.4 mg/L (p<0.001), 1.5 ± 0.4ng/L (, p=0.001), and 121.4 ± 22.5pg/mL (, p<0.01), respectively. Here, IL6 is linked to immune system disorder.