OBJECTIVE To explore the clinical application value of serum procalcitonin(PCT)in the treatment of stroke associated pneumonia(SAP),so as to provide evidence for the diagnosis and treatment of SAP.METHODS A total of 100 SAP patients hospitalized in our hospital from Jul.2013 to Mar.2015 were collected,and randomly divided into conventional treatment group(control group)and the guidance of PCT in treatment group(test group),with 50 cases in each group.The clinical pulmonary infection score(CPIS),tracheal sec...