The research found Professional Nurses’s of Perception Patient Safety Culture in Public Hospital , Samut Prakan. Province Overall is moderate. In the list with the atmosphere is high security, and work as a team in understanding management, satisfaction with work environments work for acceptance is moderate stress. For medical professionals at different levels of education There is a perception of cultural patient safety significantly different (t =-2.85, P-value = 0.005). Medical professionals under the age section. Marital status, Revenue Department and practical