Objective The risk factors and prevention measures of postoperatio nosocomial infection for aged intracranial tumour patients of neuro surgery department were discussed. Methods Retrospective analysis was made on the clinical data of 528 cases aged intracranial tumour operation patients received and cured by neuro surgery department in the hospital from Jan, 2013 to Jan, 2015. Results Of the 528 cases, totally 39 cases patients have had nosocomial infection with the occurrence rate 7.39%. The infectious par...