Background: The competency of students performance requires the integration between learned theory as will as practice well through its attributes in clinical learning environmenment. Aime: was to evaluate the factors interfering  with nursing students performance through practical training of maternal and newborn health. Design a descriptive design was adopted. Sitting: technical instituation of nursing, suez canal university (2^nd year). Sample: convenient sample included 458 nursing students studing maternal and neonatal health course was enrolled.Tools: Tool I. self adminestred questioner include questions about: socio demographic data and factors interfering with nursing students performance in lab and clinical practice sitting Tool II: An observational checklist for students' performance on four skills (abdominal examination, vaginal inspection, handling procedure, and perineal care). Result:- The bulk of the studied students (94.1%) reported that they didn't have enough time to performing a vaginal examination. Additionally, 79.9 and 82.1% of the students in the study demonstrate that there are not enough instructors to adequately train students. During the re-demonstration of the abdominal gripping skills, perineal care, handling, and vaginal exam, respectively, 46, 7, 46, 7, 47, and 60.5% of the studied students didn't communicate well with the trainer.Conclusion: One of the factors associated students' performance in the lab  was an insufficient ratio of students to lab space. The clinical sitting also revealed that there weren't enough patients in relation to the number of students.Recommendation: suggested that, appeal technical nursing institutions dircate to serves suitable lab area and recruit  staff members to cover the gap.