Objective To study the changes of diamine oxidase and endotoxin activities in cirrhosis patients and its clinical significance.Methods The serum levels of diamine oxidase and endotoxin in 52 cirrhosis patients(cirrhosis group) were detected before and after treatment with spectrophotometry,and another 15 healthy volunteers were as controls.Results The level of diamine oxidase in cirrhosis group was significantly higher than that in control group before treatment(P<0.01).There was no significant difference i...