During the period of December 2000 to November 2001, a total of 419(10.9%) Salmonella was isolated from 3,850 slaughtered pig samples(2,732 lymph nodes and 1,118 caecal contents) in Korea. Three hundred and seventy(13.5%) and 49(4.4%) Salmonella were isolated from lymph nodes and caecal contents, respectively. In the isolation ratio of Salmonella spp originated from each class of season, summer(15.7%), autumn(11.5%), spring(10.0%) and winter(8.3%), in order. As the result of serotyping, B group(67.5%) were the most common, in order of C$_1$(14.6%), D$_1$(6.0%), C$_2$(4.1%) and E$_1$(3.3%). 32 serovars were found, the major serotypes were as follows; S typhimurium(21.7%), S schwarzengrund(16.0%), S derby(15.8%), S typhimurium variant copenhagen(9.8%), S enteritidis (6.0%) and S mbandaka(6.0%). All of the isolates were susceptible to norfloxacin and ofloxacin. The isolates were resistant in order of doxycycline(69.2%), tetracycline(68.7%), penicliin(54.9%) and streptomycin(52.5%).