Abstract: Objective: To investigate the value of CT and ultrasound used in observing the form of the wall of gallbladder in diagnosis of ascites. Methods:The form of the Wall of gallbladder of 60 cases with ascites were analysed. It was found that the form of the wall of gallbladder was associated with the characterization of ascites. Conculusion: CT and ultrasound used in observing the form of the wall of gallbladder are helpful in differentiation of the characterization of ascites and looking for the cause of ascites.