Background: Nursing documentation is one of the most important aspect of health care providers. The quality of nursing documentation is a reflection of the standard of individual professional practice. The study aimed toassess nursing documentation in intensive care units at Mansoura Emergency Hospital . Subject and Methods: Descriptive design was used and the study was conducted on 206 patient files in intensive care units at Man sure Emergency Hospital. Nursing documentation checklist was used . Results: The findings of the study show that the nursing documentation in the intensive care unitswas inadequate. Conclusion: The study concluded that nursing documentation of patients in ICU is insufficient and doesn't reflect adequate use of nursing process.