Background: Amongst the quality initiatives adopted in healthcare, accreditation has increasingly been considered as the preferred method to promote healthcare quality at organizational and service levels. Nurses have key roles to play in the implementation of hospital accreditation process.  This study aimed to identify factors affecting implementation of nursing services   accreditation   standards   in   Port Said   general hospitals. A descriptive exploratory research design was utilized   for the  current  study.  A sample   of 105 from different categories of nursing staff was included in the study.  Data were collected  through  utilizing  Awareness  about  hospital   accreditation  standards  questionnaire and factors affecting the implementation  of  nursing services accreditation  standards questionnaire Results of the study showed that more  than  one third  of studied  nursing staff had high awareness score about hospital accreditation while  less than  half  of  them  had moderate awareness score , in addition nursing staff  awareness  for such  aspects  of accreditation (Preparation - Outcomes- Pre-requisites) was generally high. Continuous improvement  was the  highest  factor  affecting  implementation   of   nursing   services accreditation  standards  (NSAS)  in  Port  Said   general  hospitals   while   financial   incentives was the lowest from studied nursing staff point of view. It was concluded that : There was statistically significant relation between studied nurses' total awareness about hospital accreditation and their  total opinion  regarding  factors  affecting  implementation  of  (NSAS).The current study recommended that establishing systems, protocols, policies and strategy  to enhance  nursing  staff  perception  about quality  and  accreditation