A method for ameliorating or treating an infectious inflammatory disease caused by a bacterium, viruses or fungi in a subject in need thereof, the method comprising administering to the subject in need thereof a composition comprising a tryptophanyl-tRNA synthetase selected from the group consisting of SEQ ID NO:1, SEQ ID NO:2, SEQ ID NO:3, SEQ ID NO:4, SEQ ID NO:5, SEQ ID NO:6, SEQ ID NO:7, and SEQ ID NO:8 as an active ingredient in an amount effective for ameliorating or treating an infectious inflammatory disease caused by a bacterium, viruses or fungi, wherein the tryptophanyl-tRNA synthetase increases infiltration of neutrophils in the subject.