The author,with the state-run Grade A general hospitals as observing objects,managed to elucidate the characteristics of hospital culture by studying the speciality of medical market,products,and requirements.The characteristics is reflected by a diverse service and embodied as a culture philosophy,style,and behavior.The core of hospital culture is patients-oriented diverse service and its realization relies on the service to the customer-patients.It is an all-round service consisting of abolishing patients' mental and body illness,relieving torture,and offering meticulous care.Diverse service culture is the core competiveness for a hospital and its establishment relies greatly on people-oriented philosophy and management,which includes external management that regards patients as the core and internal management that regards the staff of a hospital as the core.Only by implementing the two "cores" can the target management be realized.