Contents: The critical care services had the highest pressure-ulcer rates. Bundle care incorporates those best practices that, if done in combination, are likely to lead to better outcomes. Aim: Evaluate the effect of preventive bundle care on nurses' knowledge, compliance, and patients' outcome regarding pressure ulcers in the intensive care unit. Methods: Quasi-experimental design used to achieve aim in this study. The study conducted at the intensive care unit at Benha Teaching Hospital. All available nurses (30) and a purposive sample of adult patients (85) recruited in this study. Three tools used; interview questionnaire sheet for nurses to assess nurses' knowledge regarding pressure ulcer prevention, the pressure-ulcer prevention bundle compliance checklist which used for assessing nurses' compliance and patients' assessment record. Results: The study revealed that (36.7%) of nurses were in the age category (20-