摘要： Fusion tests between spleen cells from BALB/c mice mfected with Schistosoma japonicum or S-mansoni cercariae with Sp2/0 myeloma were carried out.More than 30 cell lines of monoclonal anti-bodies were obtained.Their target antigens were from tegument,gut and egg respectively.The prelimi-nary tests showed that the antibody against gut-associated polysaccharide antigen was of the highestactivity.This antibody can be usec in sandwich ELISA to detect trichloroacetic acid soluble antigen in