Objective: To investigate the effect of compound Qinbo Granules on expression of Aquaporin 4 and Aquaporin-8 in intestinal mucosa of ulcerative colitis rats.Methods: A total of 80 healthy male rats were randomly divided into four groups, In addition to the normal group, all of the rest three groups use an experimental rat model of ulcerative colitis which was established by giving trinitro-benzene-sulfonic acid (TNBS).Starting drug intervention after the model established successfully and the treatment will be continued for 3 weeks.At the e...