Inguinal hernia is a common condition requiring surgical repair within the pediatric group and it's one of the foremost usually performed surgical procedures within the world. The incidence of region hernias is three-dimensional to five in term infants and thirteen in pre-term infants. Standard give direction and provide guidelines for performance of nursing staff and increase effectiveness of care. This study aimed to assess the effect of nursing care standard on postoperative outcomes and length of hospital stay in children with inguinal hernia. Methods: A quasi experimental research design conducted among one hundred twenty patients at Pediatric Surgery Unit Assiut University Children Hospital. Children were allocated to either study or control group. Three tools were used, Tool one: Structured interview sheet, tool two: designed standard of care and tool three: Evaluation sheet. Findings: Post-operative complications were highly significant in the control group than the study group. Conclusion: the standard of nursing care improving the postoperative outcomes for children with inguinal hernia as well as it reducing the length time of hospitalization. Recommendations: Considering the key role of nurses, the researchers hope that the results of this study can be implemented.