Abstract: The epidemiology,clinical manifestations and various laboratory studies of erysipeloid that occurred among fish handlers and prawn processing workers of three fish works in Qingdao were presented.From the lesions of the patients,a strain of microorganism was isolated and proved to be Erysipelothrix rhusiopathiae by its various cultural characters,morphology,biochemical reactions,and experimentations in animals etc.This is the first report on erysipeloid in China.