Salmonella Enteritidis infections were a local epidemic in the northern area of Nagasaki, Japan, during August to September in 1992. Out patients (142) visited our hospital because of diarrhea and-or abdominal pain and 96 patients had stool cultures and 51 patients were diagnosed as Salmonella infection. Of the 51 patients it was found that the Salmonella serogroups were 09, 07, 08 and the number of patients were 42, 8, 1, respectively. Phage type 1 was identified in all of the S. Enteritidis infected 38 patients who were examined. About 90% of the patients were under 10 years old. Namely, this Salmonella Enteritidis epidemic in childhood. The peak epidemic period was consistent with the local summer festival and the etiology of infection was thought to be caused by polluted handmade ice cream. S. enteritidis was identified from the ice cream which was also phage type 1. The latent period was 87 hrs.