The aim of this study was to investigate ascites patients and their knowledge, attitude and compliance toward a sodium restricted diet. In addition, we also tried to research factors influencing these results. We analyzed data from a hospital- based study including a total of 50 admitted cirrhotic patients with ascites formation. Information was obtained using a structured questionaire. Data was analyzed from aspects of frequency, distribution, mean value and standard deviation. Statistic methods such as a t-test, one way ANOVA, Pearson correlation and stepwise regression were applied in this investigation. The results of this study showed these patients had a good understanding toward the purpose of salt restriction, but lacked instructions on how to choose low salt containing foods. Positive attitudes toward sodium restrictions can be observed in the majority of patients, especially in those who are married & supported by families. This study demostrated that most cirrhotic patients can avoid excessive salt intake but fail to anticipate learning behaviors aggressively. The findings of this study reveal positive relationships between knowledge & compliance. The patient's attitude also influenced compliance behavior but the correlation could not be detected between the knowledge and attitude. The results of this investigation could help nursing members to realize the importance of knowledge, attitude and compliance in choosing methods & contents for patient educating programs.