OBJECTIVE To understand the epidemiological and clinical features of enteritis caused by Norwalk virus in the hospital and observe the effectiveness of prevention and control system in order to provide the basis for the control of outbreaks.METHODS By adopting field epidemiological and clinical data study,investigation and analysis were conducted on eight cases of suspected patients with enteritis caused by Norwalk virus in the hospital.Control on gastrointestinal infections and droplet infection was implemented.RESULTS Bacterial test on feces was conducted on eight cases of suspected gastroenteritis caused by Norwalk virus.Results were negative,thus diagnosed as viral infection;among them,virology test on feces was conducted on two cases which were diagnosed as enteritis caused by Norwalk virus.All patients were recovered after proper treatment and no new cases were found after timely disinfection.CONCLUSIONS The epidemic outbreak of enteritis caused by Norwalk virus has been timely and effectively controlled in the hospital;because communication channel on infection control management is open,contingency plans are effective and the prevention and control taskforce functions well.