Aim: The aim of the study was to assess the Nurse's Performance Regarding Rapid Response Team. Methods: A descriptive research design was used in this study. The study was conducted in inpatient Unit at Elaraby Hospital. Sample: A convenience sample was used (50 nurses'). Results: three tools were used for collection of data. (1) A self-administered questionnaire tool for nurse' consisted of demographic characteristics of nurse's and nurses' knowledge, (2) observational checklist tool and (3) Psychometric scale tool regarding rapid response code. The study finding revealed that, about 100 % of the studied nurses had unsatisfactory level of knowledge regarding rapid response code, while about 84% of the studied nurses had unsatisfactory level of practices regarding rapid response code, also 84% of the studied nurses had negative attitude regarding rapid response code. Conclusion, It can be concluded that inpatient nurses need special educational program regarding rapid response code to prevent cardiopulmonary arrest. The study recommended that; increase awareness of nurses regarding rapid response code to adhere to rapid response code guidance for prevent cardiopulmonary arrest.