The use of antibiotics is restricted more strictly due to the requirement of accurate treatment.The diagnostic indicators of the infectious diseases face new challenges;the new types of inflammatory diagnostic indications,represented by the procalcitonin(PCT),were particularly concerned.The review defined the sensitivity and specificity of PCT,C-reactive protein(CRP),and lipopolysaccharide(LPS)in diagnosis of the infectious diseases and concluded that the PCT,CRP,and LPS were great indicators for diagnosis ...