OBJECTIVE To estimate the effect of clinical pharmacists intervening to prophylactic use of antibiotics during perioperative period of thyroidectomy.METHODS The medical records of 80 patients undergoing thyroidectomy in general surgery department(thyroid cancer and nodular accounted for 50.00% in each) inpatients between Jan and Jun 2010(before intervention) and between Jul and Dec 2010(after intervention),the rationality of prophylactic use of antibiotics during perioperative period was compared and analyz...