Medical simulations are effective education complements for medical training, demonstrating effective learning, level of participation, and improvement in knowledge, skills and attitudes.In undergraduate medical education, simulation provides the potential for valid, cost-benefit teaching and assessment of clinical skills, especially clinical reasoning skills, bridging the gap between theory and practice. Simulation as a training tool in postgraduate medical training is a practical method to provide a kind of educational realistic significance for practicing specialty in order to improve quality of care and patient safety. In particular, simulation is an excellent opportunity to implement reports of security which can be considered a true strategy in order to minimize clinical risk and ensure appropriate levels of quality in daily clinical practice.