Background: Clinical training plays an important role in influencing students learning behaviors and acquisition of nursing clinical competencies. Clinical training as an essential part of nursing education helps to transform theoretical knowledge into clinical practice. Aim of the study: was to discover the clinical training challenges facing undergraduate nursing students in intensive care units. Research design: A descriptive exploratory design was utilized to conduct this study. Setting: This study was conducted at faculty of Nursing, Helwan University. Subject: A purposive sample of 240 students of the second year students enrolled in academic year (2021-2022). Tools: Two tools were used: Tool I: Student Interviewing Questionnaire.Tool II: Modified Student Satisfaction Questionnaire. Result: The current study findings concluded that 67.5% of studied nursing students not perceived challenges, while.22.5% of them perceived challenges regarding clinical trainingin intensive care units, also.62.1% of the studied nursing students had a high level of satisfaction and 22.1% of them had low level of satisfactionregarding clinical training in the intensive care units. Conclusion: There was a highly statistically negative correlation between total satisfaction and total challenges regarding clinical training in intensive care units among the studied nursing students. Recommendations: The clinical evaluation should be performedactually on the patients in the hospital and being supportive to eliminate the students fear of infection.Additionally, providingnotes about their performance. Moreover. Givingappropriate time to answer oral examination and provide written instruction about how to deal with the device at intensive care units.